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Real-valued hue #514

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jnothman opened this issue Apr 14, 2015 · 3 comments
Closed

Real-valued hue #514

jnothman opened this issue Apr 14, 2015 · 3 comments

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@jnothman
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It would be nice to perform, for example, pairplot with a hue column that has real values (as in a heatmap) with a heatmap-style legend shown. The code currently performs operations inappropriate for real values, such as np.unique and displaying a discrete legend.
@mwaskom
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mwaskom commented Apr 14, 2015

With pairplot you should be able to pass a vector of scalar values to the c parameter in the .map method call.

@mwaskom
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mwaskom commented Apr 14, 2015

Sorry just to clarify I mean use PairGrid directly. See here for an example.

@mwaskom mwaskom closed this as completed Apr 14, 2015
@jnothman
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Okay, thanks. Still, I don't see why this should not be handled by pairplot, especially since passing such a column to hue results in unnecessarily slow processing to produce undesirable output.

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@jnothman @mwaskom