Fixed bug computing categorical datashader aggregates #2295
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Now added tests, ready to merge once passing. |
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I've also pushed a fix for #2299 to this PR and added a unit test. |
holoviews/operation/datashader.py
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| if isinstance(agg_fn, ds.count_cat): | ||
| name = '%s Count' % agg_fn.column | ||
| vdims = [dims[0](column)] | ||
| name = '%s Count' % column |
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name = ('%s Count' % column) if isinstance(agg_fn, ds.count_cat) else column?
Personally, I don't like it when I see simple variable reassignments e.g x=y used in this way. Up to you, I won't hold the merge up because of this.
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There is more to the if/else block than just this single line.
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Suppose I see what you're getting at.
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Happy to merge once you reply to my comment. I won't hold up the merge if you don't want to make the suggested change. |
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Made the change, ready to merge once tests pass again. |
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Tests are passing. Merging. |
Recently I added some validation to xarray Datasets that disallows coords (kdims) and data variables (vdims) with the same name, which was apparently being used by the datashader
aggregateoperation for categorical aggregates. This handles them correctly.