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Formula/ModelMatrix should support functions of variables #19

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HarlanH opened this issue Jul 15, 2012 · 2 comments
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Formula/ModelMatrix should support functions of variables #19

HarlanH opened this issue Jul 15, 2012 · 2 comments
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@HarlanH
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HarlanH commented Jul 15, 2012

This requires two things. The function should work on a DataVec (currently log() does, see datavec.jl), and the ModelFrame (or maybe ModelMatrix) constructor should evaluate the function.

@doobwa doobwa mentioned this issue Jul 24, 2012
@nalimilan
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See also #867 about using y ~ pool(x) to treat a numeric variable as categorical only in a specific model.

@ararslan
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ararslan commented Sep 7, 2017

Planned in StatsModels, where the modeling functionality has moved.

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