Option to return NaNs in compute_correlation#404
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snastase merged 8 commits intobrainiak:masterfrom Jan 14, 2019
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yidawang
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Jan 10, 2019
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I'm having a hard time understanding the test failures here—seems to be something to do with theano used by test_sssrm...? This is not modified in this PR. Any ideas? @mihaic |
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See PR #408. |
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I've added a
return_nansoption tobrainiak.fcma.util.compute_correlation. Original behavior was to return float 0.0 correlation for any vectors containing NaNs. Now, ifreturn_nans=False(the default) we the original behavior, but ifreturn_nans=Trueall zeros are replaced with NaNs before output. This is a very simplistic approach: Another way to do this would be to check the input matrices for NaNs and use this to supply NaNs in the output ifreturn_nans=True. For example, if you somehow got a "true" correlation of zero, this would replace the zero with NaN even if there wasn't a NaN in the input. This PR references issue #400.