issues: 269297904
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| id | node_id | number | title | user | state | locked | assignee | milestone | comments | created_at | updated_at | closed_at | author_association | active_lock_reason | draft | pull_request | body | reactions | performed_via_github_app | state_reason | repo | type |
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| 269297904 | MDU6SXNzdWUyNjkyOTc5MDQ= | 1666 | Could a DataArrayRolling object compute an arbitrary function on rolling windows? | 8944955 | closed | 0 | 14 | 2017-10-28T08:53:16Z | 2020-11-25T00:08:45Z | 2020-11-25T00:08:45Z | NONE | What I'd like to do is something of this kind Code Sample, a copy-pastable example if possible```python da = xr.DataArray(range(10)) r = da.rolling(dim_0=2) def func(x, axis, **kwargs): return x/x[-1] # for example This is the desired functionalitygenerator = r.map(func) func_on_window = generator.next() # each time this is called, the rolling object returns func(window,...) ``` Desired output```python generator.next() [0,1]generator.next() [0.5,1]generator.next() [0.6666...,1]... ``` This would be extremely useful to pipe data directly into a neural network for instance. |
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completed | 13221727 | issue |