Am 28.10.2011 16:03, schrieb Gael Varoquaux: > On Fri, Oct 28, 2011 at 10:01:11AM -0400, Alexandre Gramfort wrote: >> class SingleSplit? >> cv = SingleSplit(X_train, y_train, X_test, y_test) ? > This API cannot work, as the cross-validation object is supposed to > return indices and thus should be applied to concatenated train and test > data. Why can't the SingleSplit module return indices in the combined dataset? I just return np.hstack([[True]*X_train.size[0], [False]*X_test.size[0]]) and the other way around for the "test" part of the batch.
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