I don't really understand what are the samples, the labels and the features in your case and how much unlabeled data do you have and what do you mean by "I have completed the classification task on 1st database.": if you have labeled datasets what does "completion of the classification task" mean?.
As for scalable co-variate shift you might be interested in this blog post: http://blog.smola.org/post/4110255196/real-simple-covariate-shift-correction -- Olivier ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general