Hi, Stelios, I am wondering, how did you implement this tweak? Just a thought, but instead of adding extra functionality inside the GridSearch class, what about using a random training data selector (transformer) as a pipeline object? Something along the lines of
class RandomRowSelector(object): def __init__(self): pass def _some_random_sampling_function(self, X, y) def transform(self, X, y): sampled_rows = self.some_random_sampling_function(self, X, y) return X[sampled_rows, :], y[sampled_rows, :] def fit(self, X, y=None): return self Best, Sebastian > On Feb 19, 2016, at 7:56 AM, Stylianos Kampakis > <stylianos.kampa...@gmail.com> wrote: > > Hi everyone, > > I was thinking to implement a tweak where it is possible to sample randomly > from a dataset when using grid search. This would particularly useful for big > datasets. The sampling takes place during each round of grid search. > > Does anyone think this would be worthy submitting to scikit-learn? > > Best regards, > Stelios > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140_______________________________________________ > Scikit-learn-general mailing list > Scikit-learn-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general