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issue 1

  • Increase default `display_max_rows` · 12 ✖

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id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
873628670 https://github.com/pydata/xarray/issues/5545#issuecomment-873628670 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MzYyODY3MA== max-sixty 5635139 2021-07-04T17:19:12Z 2021-07-04T17:19:12Z MEMBER

Great, I think we're decided!

@st-bender would you be interested in a PR to kick some of this off? It would be fine to do a subset (e.g. ignoring the limit for the .coords and .data_vars methods). I feel like we could parlay any tension above into a nice contribution. Also fine if not!

 
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   Increase default `display_max_rows` 931591247
872473732 https://github.com/pydata/xarray/issues/5545#issuecomment-872473732 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MjQ3MzczMg== max-sixty 5635139 2021-07-01T18:51:17Z 2021-07-01T18:51:17Z MEMBER

For the Dataset.data_vars and Dataset.coords reprs, it's more obvious that we want to see all of them, so I'd suggest not limiting the maximum of rows displayed

IMO this would be an excellent synthesis of the tradeoffs, +1

 
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   Increase default `display_max_rows` 931591247
872459805 https://github.com/pydata/xarray/issues/5545#issuecomment-872459805 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MjQ1OTgwNQ== benbovy 4160723 2021-07-01T18:27:04Z 2021-07-01T18:27:04Z MEMBER

From what I see in the examples by @Illviljan , setting display_max_rows affects everything equally, coords, data_vars, and attrs. So there would be no need to treat them separately. Or I misunderstood your comment.

My suggestion is to ignore display_max_rows for the repr of the Dataset.coords and Dataset.data_vars properties, but not for the "coordinates" and "data variables" sections of the Dataset text-based repr. This way we could do print(ds.data_vars) to check that all variables made it into the data set correctly while keeping concise the output of print(ds).

 
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   Increase default `display_max_rows` 931591247
872009559 https://github.com/pydata/xarray/issues/5545#issuecomment-872009559 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MjAwOTU1OQ== benbovy 4160723 2021-07-01T07:47:51Z 2021-07-01T07:47:51Z MEMBER

My 2 cents (no strong view either, I'm mostly using the HTML repr with a rather small number of variables):

I do agree with both arguments "fit the screen" vs "need to see all the variables", so why not have different display rules for the Dataset, Dataset.data_vars and Dataset.coords reprs?

For the Dataset repr, I think the motivation is mostly to get a quick overview of the whole dataset and basic answers on questions like:

  • What are the dimensions and their size?
  • How many coordinates and data variables?
  • Is the dataset fully loaded in memory or lazily loaded? Are the variables chunked? What's the type of arrays (dask vs. numpy)?
  • Is there a lot of metadata or no metadata at all (global attributes)?

All those questions can be answered with a short, truncated repr.

For the Dataset.data_vars and Dataset.coords reprs, it's more obvious that we want to see all of them, so I'd suggest not limiting the maximum of rows displayed (or have a much larger limit? but then we duplicate the display options, which is not very nice).

 
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   Increase default `display_max_rows` 931591247
871808557 https://github.com/pydata/xarray/issues/5545#issuecomment-871808557 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MTgwODU1Nw== max-sixty 5635139 2021-07-01T00:12:14Z 2021-07-01T00:12:25Z MEMBER

@st-bender I don't imagine you intend it, but the first two paragraphs of your comment read as abrasive to me. Others should weigh in if they disagree with my assessment.

FWIW I found @Illviljan 's examples very helpful to visualize the various options.

Back to the question: for me, 50 is longer than ideal; it spans my 27" portrait monitor. 20 seems good. We could also have fewer attrs (or coords too?). But as before, no strong view, and I'm rarely dealing with datasets like this

 
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   Increase default `display_max_rows` 931591247
870854800 https://github.com/pydata/xarray/issues/5545#issuecomment-870854800 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MDg1NDgwMA== Illviljan 14371165 2021-06-29T19:24:28Z 2021-06-29T19:24:28Z MEMBER

If you want to fix your doctests results you can try out: https://github.com/max-sixty/pytest-accept

xarray was the odd one out having an infinite repr when comparing to other data science packages. numpy and pandas (the gold standard?) for example are limiting it. which also probably makes those reprs meaningless for some users that are making sure all the elements/columns/series have been processed correctly.

I like 12 rows because that fills up pretty much 80% of the screen. It was in inline with the guideline suggested by @shoyer of a repr should fit in 1 screen in #4736 and you don't have to waste too much time scrolling up to figure out your calculation error for the 100th time. I don't mind it being slightly larger but at around 16 rows I feel the scrolling starts to become rather annoying.

Some related ideas: * If only variables are important there could be some prioritization logic so that as many variables are shown within some limited amount of rows. I think I considered this but dropped it because it requires a larger refactor. * I think the __repr__should be pretty short since it's easy that it gets accidentally triggered. __str__ however could be longer because that requires some intention to display it, for example print(ds).

Lets set up some examples: ```python import numpy as np import xarray as xr

a = np.arange(0, 2000) data_vars = dict() for i in a: data_vars[f"long_variable_name_{i}"] = xr.DataArray( name=f"long_variable_name_{i}", data=2np.arange(25), dims=[f"long_coord_name"], coords={f"long_coord_name": 2np.arange(25)}, ) ds0 = xr.Dataset(data_vars) ds0.attrs = {f"attr_{k}": 2 for k in a} ```

Now if you convert this to a Pandas dataframe and print it will look like this: ```python df0 = ds0.to_dataframe() print(df0)

             long_variable_name_0  ...  long_variable_name_1999

long_coord_name ...
0 0 ... 0 2 2 ... 2 4 4 ... 4 6 6 ... 6 8 8 ... 8 ... ... ... 190 190 ... 190 192 192 ... 192 194 194 ... 194 196 196 ... 196 198 198 ... 198

[100 rows x 2000 columns] ```

The xarray dataset looks like this: ```python print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name: 100) Coordinates: * long_coord_name (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 Data variables: (12/2000) long_variable_name_0 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_2 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_3 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_4 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_5 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 ... long_variable_name_1994 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1995 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1996 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1997 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1998 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 long_variable_name_1999 (long_coord_name) int32 0 2 4 6 ... 192 194 196 198 Attributes: (12/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 ... attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ```

xarray shows a lot more information in fewer rows which is good and I think its size is still manageable.

Lets try some of the suggestions, I apologize for the long post but remember that this is the kind of scrolling you're going to have to do 100 times when figuring out where that invisible typo is: ```python import numpy as np import xarray as xr

a = np.arange(0, 2000) data_vars = dict() for i in a: data_vars[f"long_variable_name_{i}"] = xr.DataArray( name=f"long_variable_name_{i}", data=2np.arange(25), dims=[f"long_coord_name_{np.mod(i, 25)}"], coords={f"long_coord_name_{np.mod(i, 25)}": 2np.arange(25)}, ) ds0 = xr.Dataset(data_vars) ds0.attrs = {f"attr_{k}": 2 for k in a} ```

python with xr.set_options(display_max_rows=12): print(ds0) <xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: (12/25) * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 ... * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (12/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 ... long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_mame_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (12/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 ... attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2

python with xr.set_options(display_max_rows=16): print(ds0) <xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: (16/25) * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 ... * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (16/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 9 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 ... long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (16/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 ... attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2

```python with xr.set_options(display_max_rows=20): print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: (20/25) * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 ... * long_coord_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (20/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 ... long_variable_name_1990 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1991 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (20/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 attr_8: 2 attr_9: 2 ... attr_1990: 2 attr_1991: 2 attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1966: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ```

```python with xr.set_options(display_max_rows=24): print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: (24/25) * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 ... * long_coord_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (24/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_varrable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 ... long_variable_name_1988 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1989 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1990 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1991 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (24/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 attr_8: 2 attr_9: 2 attr_10: 2 attr_11: 2 ... attr_1988: 2 attr_1989: 2 attr_1990: 2 attr_1991: 2 attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ```

```python with xr.set_options(display_max_rows=30): print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coood_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (30/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 ... long_variable_name_1985 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1986 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1987 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1988 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1989 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1990 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1991 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (30/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 attr_8: 2 attr_9: 2 attr_10: 2 attr_11: 2 attr_12: 2 attr_13: 2 attr_14: 2 ... attr_1985: 2 attr_1986: 2 attr_1987: 2 attr_1988: 2 attr_1989: 2 attr_1990: 2 attr_1991: 2 attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ```

There's a noticeable slow down around here: ```python with xr.set_options(display_max_rows=50): print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (50/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_18 (long_coord_name_18) int16 0 2 4 6 ... 42 44 46 48 long_variable_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 ... long_variable_name_1975 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1976 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1977 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1978 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1979 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1980 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1981 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1982 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1983 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1984 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1985 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1986 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1987 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1988 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1989 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1990 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1991 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (50/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 attr_8: 2 attr_9: 2 attr_10: 2 attr_11: 2 attr_12: 2 attr_13: 2 attr_14: 2 attr_15: 2 attr_16: 2 attr_17: 2 attr_18: 2 attr_19: 2 attr_20: 2 attr_21: 2 attr_22: 2 attr_23: 2 attr_24: 2 ... attr_1975: 2 attr_1976: 2 attr_1977: 2 attr_1978: 2 attr_1979: 2 attr_1980: 2 attr_1981: 2 attr_1982: 2 attr_1983: 2 attr_1984: 2 attr_1985: 2 attr_1986: 2 attr_1987: 2 attr_1988: 2 attr_1989: 2 attr_1990: 2 attr_1991: 2 attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ```

```python with xr.set_options(display_max_rows=100): print(ds0)

<xarray.Dataset> Dimensions: (long_coord_name_0: 25, long_coord_name_1: 25, long_coord_name_10: 25, long_coord_name_11: 25, long_coord_name_12: 25, long_coord_name_13: 25, long_coord_name_14: 25, long_coord_name_15: 25, long_coord_name_16: 25, long_coord_name_17: 25, long_coord_name_18: 25, long_coord_name_19: 25, long_coord_name_2: 25, long_coord_name_20: 25, long_coord_name_21: 25, long_coord_name_22: 25, long_coord_name_23: 25, long_coord_name_24: 25, long_coord_name_3: 25, long_coord_name_4: 25, long_coord_name_5: 25, long_coord_name_6: 25, long_coord_name_7: 25, long_coord_name_8: 25, long_coord_name_9: 25) Coordinates: * long_coord_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 * long_coord_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 * long_coord_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Data variables: (100/2000) long_variable_name_0 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_2 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_3 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_4 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_5 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_6 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_7 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_8 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_9 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_10 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_11 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_12 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_13 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_14 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_15 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_16 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_17 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_18 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_19 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_20 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_21 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_22 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_23 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_24 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_25 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_26 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_27 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_28 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_29 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_30 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_31 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_32 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_33 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_34 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_35 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_36 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_37 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_38 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_39 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_40 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_41 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_42 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_43 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_44 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_45 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_46 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_47 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_48 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_49 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 ... long_variable_name_1950 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1951 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1952 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1953 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1954 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1955 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1956 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1957 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1958 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1959 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1960 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1961 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1962 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1963 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1964 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1965 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1966 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1967 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1968 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1969 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1970 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1971 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1972 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1973 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1974 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1975 (long_coord_name_0) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1976 (long_coord_name_1) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1977 (long_coord_name_2) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1978 (long_coord_name_3) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1979 (long_coord_name_4) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1980 (long_coord_name_5) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1981 (long_coord_name_6) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1982 (long_coord_name_7) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1983 (long_coord_name_8) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1984 (long_coord_name_9) int32 0 2 4 6 8 ... 42 44 46 48 long_variable_name_1985 (long_coord_name_10) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1986 (long_coord_name_11) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1987 (long_coord_name_12) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1988 (long_coord_name_13) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1989 (long_coord_name_14) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1990 (long_coord_name_15) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1991 (long_coord_name_16) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1992 (long_coord_name_17) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1993 (long_coord_name_18) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1994 (long_coord_name_19) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1995 (long_coord_name_20) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1996 (long_coord_name_21) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1997 (long_coord_name_22) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1998 (long_coord_name_23) int32 0 2 4 6 ... 42 44 46 48 long_variable_name_1999 (long_coord_name_24) int32 0 2 4 6 ... 42 44 46 48 Attributes: (100/2000) attr_0: 2 attr_1: 2 attr_2: 2 attr_3: 2 attr_4: 2 attr_5: 2 attr_6: 2 attr_7: 2 attr_8: 2 attr_9: 2 attr_10: 2 attr_11: 2 attr_12: 2 attr_13: 2 attr_14: 2 attr_15: 2 attr_16: 2 attr_17: 2 attr_18: 2 attr_19: 2 attr_20: 2 attr_21: 2 attr_22: 2 attr_23: 2 attr_24: 2 attr_25: 2 attr_26: 2 attr_27: 2 attr_28: 2 attr_29: 2 attr_30: 2 attr_31: 2 attr_32: 2 attr_33: 2 attr_34: 2 attr_35: 2 attr_36: 2 attr_37: 2 attr_38: 2 attr_39: 2 attr_40: 2 attr_41: 2 attr_42: 2 attr_43: 2 attr_44: 2 attr_45: 2 attr_46: 2 attr_47: 2 attr_48: 2 attr_49: 2 ... attr_1950: 2 attr_1951: 2 attr_1952: 2 attr_1953: 2 attr_1954: 2 attr_1955: 2 attr_1956: 2 attr_1957: 2 attr_1958: 2 attr_1959: 2 attr_1960: 2 attr_1961: 2 attr_1962: 2 attr_1963: 2 attr_1964: 2 attr_1965: 2 attr_1966: 2 attr_1967: 2 attr_1968: 2 attr_1969: 2 attr_1970: 2 attr_1971: 2 att__1972: 2 attr_1973: 2 attr_1974: 2 attr_1975: 2 attr_1976: 2 attr_1977: 2 attr_1978: 2 attr_1979: 2 attr_1980: 2 attr_1981: 2 attr_1982: 2 attr_1983: 2 attr_1984: 2 attr_1985: 2 attr_1986: 2 attr_1987: 2 attr_1988: 2 attr_1989: 2 attr_1990: 2 attr_1991: 2 attr_1992: 2 attr_1993: 2 attr_1994: 2 attr_1995: 2 attr_1996: 2 attr_1997: 2 attr_1998: 2 attr_1999: 2 ``` By the way, I've added some typos in each of these, so you can haves some fun figuring out where they are as you're scrolling up and down the reprs. :)

 
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   Increase default `display_max_rows` 931591247
870833694 https://github.com/pydata/xarray/issues/5545#issuecomment-870833694 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MDgzMzY5NA== max-sixty 5635139 2021-06-29T18:50:40Z 2021-06-29T18:50:40Z MEMBER

If people feel strongly about a default > 12, that seems reasonable. Do people?

I can't speak for other people, but I do, sorry about that.

Also, just to be clear as things can come across in the wrong tone when we're responding quickly on issues — I appreciate you raising the issue and would like to find the right answer — I had meant the original message as a friendly call for opinions!

 
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   Increase default `display_max_rows` 931591247
870790648 https://github.com/pydata/xarray/issues/5545#issuecomment-870790648 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MDc5MDY0OA== max-sixty 5635139 2021-06-29T17:41:35Z 2021-06-29T17:41:35Z MEMBER

Great! I would have vote lower, since 100 cuts off much of a screen, but maybe there's a synthesis of 50 or so?

 
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   Increase default `display_max_rows` 931591247
870109486 https://github.com/pydata/xarray/issues/5545#issuecomment-870109486 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MDEwOTQ4Ng== shoyer 1217238 2021-06-28T23:18:08Z 2021-06-28T23:18:08Z MEMBER

I think a bigger number than 12 would be appropriate. Personally I would almost always prefer to see the full output, even (especially?) if it's big. The only exception would be cases where variables are (mis)used instead of a dimension, e.g., variable_1, variable_2, etc, but these cases are relatively rare and are not what Xarray is primarily designed for.

There are plenty of examples of datasets/netCDF files with tens of distinct variables, and I think we should reveal these variables by default. For example, consider this xgcm example of ocean model output with 35 data varaibles: https://xgcm.readthedocs.io/en/latest/xgcm-examples/01_eccov4.html

I'm thinking that perhaps 50 or 100 would be a better default?

 
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   Increase default `display_max_rows` 931591247
870047867 https://github.com/pydata/xarray/issues/5545#issuecomment-870047867 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg3MDA0Nzg2Nw== max-sixty 5635139 2021-06-28T21:15:39Z 2021-06-28T21:15:39Z MEMBER

We need to cut some of the output, given a dataset has arbitrary size — same as numpy arrays / pandas dataframes.

If people feel strongly about a default > 12, that seems reasonable. Do people?

 
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   Increase default `display_max_rows` 931591247
869763953 https://github.com/pydata/xarray/issues/5545#issuecomment-869763953 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg2OTc2Mzk1Mw== keewis 14808389 2021-06-28T15:06:23Z 2021-06-28T15:06:23Z MEMBER

choosing default values is hard and always some kind of a tradeoff. In general we should strive to choose a default that is useful to most users (but how do you measure "useful to most users"?), and if that is not the case for a particular use case it should be configurable. I agree that having to remember to add the set_options call in every script / notebook / interpreter session is annoying, but there is not too much we can do (except adding a configuration file? but that might make the set_options code more complicated...)

For this particular setting I think the idea for the current value was that printing a lot of variables is slow and, most importantly, that the repr should provide an overview of the object, and in my opinion not being able to have all sections visible reduces the usefulness of the repr (which is why I tend to also set display_expand_data=False at the top of my notebooks). In the PR that introduced the setting we somewhat arbitrarily chose the number 12 but I don't think it should be much higher.

Thoughts, @pydata/xarray?

Disabling the restriction should be possible (but again, not the default), maybe xr.set_options(display_max_rows=float("inf")) works?

 
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   Increase default `display_max_rows` 931591247
869707134 https://github.com/pydata/xarray/issues/5545#issuecomment-869707134 https://api.github.com/repos/pydata/xarray/issues/5545 MDEyOklzc3VlQ29tbWVudDg2OTcwNzEzNA== kmuehlbauer 5821660 2021-06-28T13:56:32Z 2021-06-28T14:01:48Z MEMBER

Why not just use:

python import xarray as xr xr.set_options(display_max_rows=N) where N is your wanted number of lines

The reasons for the restriction are laid out in https://github.com/pydata/xarray/issues/4736

Update: Fixed the call to set_options, stupid copy&paste error.

 
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   Increase default `display_max_rows` 931591247

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