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add `obsdim` kwarg to `modelcols` #115

oxinabox opened this issue Jun 13, 2019 · 0 comments


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commented Jun 13, 2019

Some packages like observations to be in the first dimension
others in the last dimension


First (rows as obs)

  • GLM.jl
  • LIBSVM.jl
  • DecisonTrees.jl

Last (columns as obs)

  • Flux.jl
  • Distributions.jl
  • Distances.jl (and thus MultivariateStats.jl and NearestNeighbours.jl)

The only real consistancy is there is no consistancy.
There are performance implications that change depending on what operations you are doing.

modelcols should thus take a kwarg to specify which it is;
and transpose the result as needed.

If we do this we might want to rename it to modelfeatures?

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