Can you illustrate your use-case Michael? On 06/25/2015 02:14 PM, Joel Nothman wrote:
As much as possible, parameters to a model should be specified to the class constructor, not methods, even if application is there. This has been the scikit-learn design for a while in order to enable things like grid search and a bare-bones pipeline implementation. So external projects adding additional args to predict may not have been correctly designed (and it's easy enough for you to inherit from their model to fix the problem by moving that param to the constructor). It may be valid to add a param to predict when: (a) it is data-dependent, e.g. a parallel array to the feature array; or (b) it modifies the output format of predict, e.g. to return error as in GaussianProcess. Any uses of this are fundamentally custom approaches for which Pipeline already has reduced utility, but I can see how forwarding kwargs may give a minor convenience.On 26 June 2015 at 03:35, Michael Kneier <michael.kne...@gmail.com <mailto:michael.kne...@gmail.com>> wrote:As far as I know, there aren't any estimators with predict kwargs. This doesn't mean that engineers aren't writing their own estimators, which may need kwargs. To me, one of sklearns great strengths is its pipeline, and extending its functionality to allow for more flexible estimator methods seems like a good thing. Perusing the sklearn github, it seems that there are is demand for extending the parameters pipeline accepts. If the yourself and the community prefer not to, that's fine. I think it is worth discussion though. On Wed, Jun 24, 2015 at 2:47 PM, Joel Nothman <joel.noth...@gmail.com <mailto:joel.noth...@gmail.com>> wrote: What estimators have predict with multiple args? Without support for same in cross validation routines and scorers, isn't t easier to write this functionality in custom code as you need it, leaving the predictor off the Pipeline? On 25 June 2015 at 06:06, Michael Kneier <michael.kne...@gmail.com <mailto:michael.kne...@gmail.com>> wrote: Hi all, It doesn't look like pipelines currently support passing kwargs to their estimators' predict method. I think it would be great to add this functionality, but I want to get your thoughts before I open a PR. Thanks, Mike ------------------------------------------------------------------------------ Monitor 25 network devices or servers for free with OpManager! OpManager is web-based network management software that monitors network devices and physical & virtual servers, alerts via email & sms for fault. Monitor 25 devices for free with no restriction. Download now http://ad.doubleclick.net/ddm/clk/292181274;119417398;o _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net <mailto:Scikit-learn-general@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Monitor 25 network devices or servers for free with OpManager! OpManager is web-based network management software that monitors network devices and physical & virtual servers, alerts via email & sms for fault. Monitor 25 devices for free with no restriction. Download now http://ad.doubleclick.net/ddm/clk/292181274;119417398;o _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net <mailto:Scikit-learn-general@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Monitor 25 network devices or servers for free with OpManager! OpManager is web-based network management software that monitors network devices and physical & virtual servers, alerts via email & sms for fault. Monitor 25 devices for free with no restriction. Download now http://ad.doubleclick.net/ddm/clk/292181274;119417398;o _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net <mailto:Scikit-learn-general@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Monitor 25 network devices or servers for free with OpManager! OpManager is web-based network management software that monitors network devices and physical & virtual servers, alerts via email & sms for fault. Monitor 25 devices for free with no restriction. Download now http://ad.doubleclick.net/ddm/clk/292181274;119417398;o _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
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