issue_comments: 441467391

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https://github.com/pydata/xarray/issues/2568#issuecomment-441467391 https://api.github.com/repos/pydata/xarray/issues/2568 441467391 MDEyOklzc3VlQ29tbWVudDQ0MTQ2NzM5MQ== 1217238 2018-11-25T19:50:16Z 2018-11-25T19:50:16Z MEMBER

I would lean slightly against adding a dedicated method for this (but could be convinced if others are interested). Usually we copy pandas or numpy APIs, but DataFrame.map is a not a great name -- map means too many other things (e.g., consider the buildin map).

It might make sense to copy the design of numpy.select instead: https://docs.scipy.org/doc/numpy/reference/generated/numpy.select.html

e.g., you could write something like xarray.select([ds < 0, ds < 10], [5, 10], default=15)

 
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