8000 Allow multiple input feature with same value for Gaussian Process Regression · Issue #3162 · scikit-learn/scikit-learn · GitHub
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Allow multiple input feature with same value for Gaussian Process Regression #3162

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filthysocks opened this issue May 19, 2014 · 2 comments
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Allow multiple input feature with same value for Gaussian Process Regression #3162

filthysocks opened this issue May 19, 2014 · 2 comments
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@filthysocks
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Salute,

currently the GP module does not allow to use multiple input feature with the same value. At least from the math point of view there is no need for this restriction. Though, I didn't go through the whole implementation to see if there is something special about it that would require this restriction. I tested it on some dummy problem (with noisy data) with and without multiple equal inputs and it worked fine and, not surprisingly, even better when using duplicates (more data yeay!).
Any reasons to keep it?
@filthysocks filthysocks mentioned this issue May 19, 2014
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filthysocks pushed a commit to filthysocks/scikit-learn that referenced this issue May 21, 2014
do not allow multiple feature for non-noisy data. Unittest for noisy …
5d6bd5a 
…data scikit-learn#3162
@glouppe
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glouppe commented Oct 19, 2015

Closing, as a new implementation of gaussian processes has just been merged (#4270). Please reopen if the new implementation fails on the same issue, though I hope it does not.

@glouppe glouppe closed this as completed Oct 19, 2015
@amueller
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Maybe we should have tested all the issues ;) Sounds like a good task for the print? ^^

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@amueller @glouppe @filthysocks
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