keep attrs when reducing xray objects · Issue #138 · pydata/xarray (original) (raw)

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Description

Reduction operations currently drop all Variable and Dataset attrs when a reduction operation is performed. I'm proposing adding a keyword to these methods to allow for copying of the original Variable or Dataset attrs.

The default value of the keep_attrs keyword would be False.

For example:

new = ds.mean(keep_attrs=True)

returns new with all the Variable and Dataset attrs as ds contained.

Some previous discussion in #131 and #137.