On 15/2/2014 10:17 , Manoj Kumar wrote: > Thanks Vlad, > > Can you tell me how to take care of that?
What exactly do you mean by "take care of that"? Like Mathieu said, it probably doesn't matter too much in terms of the final score. Vlad > > On Sat, Feb 15, 2014 at 2:10 PM, Vlad Niculae <[email protected] > <mailto:[email protected]>> wrote: > > Hi Manoj, > > In the first example, the intercept is not regularized, hence the > difference. > > Vlad > > On Feb 15, 2014 8:54 AM, "Manoj Kumar" > <[email protected] > <mailto:[email protected]>> wrote: > > Hello > > I have a query with fit_intercept parameter in most of the > estimators. > > When we have a linear model like w0 + w1*x1 + w2*x2 + .. I'm > assuming that clf.intercept_ takes care of the w0 term since the > data is centered. > > Then why aren't these two equivalent? > > X = np.random.rand(100, 10) > y = np.random.rand(100) > X1 = np.ones((100, 11)) > X1[:, 1:] = X > > clf = Ridge(fit_intercept=True) > clf.fit(X, y) > print clf.intercept_ + np.dot(X, clf.coef_) > > clf1 = Ridge(fit_intercept=False) > clf1.fit(X1, y) > print np.dot(X1, clf1.coef_) > > I get some minor differences. Hope someone can enlighten me as > usual. > > -- > Regards, > Manoj Kumar, > Mech Undergrad > http://manojbits.wordpress.com > > > ------------------------------------------------------------------------------ > Android apps run on BlackBerry 10 > Introducing the new BlackBerry 10.2.1 Runtime for Android apps. > Now with support for Jelly Bean, Bluetooth, Mapview and more. > Get your Android app in front of a whole new audience. Start now. > > http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > > > > ------------------------------------------------------------------------------ > Android apps run on BlackBerry 10 > Introducing the new BlackBerry 10.2.1 Runtime for Android apps. > Now with support for Jelly Bean, Bluetooth, Mapview and more. > Get your Android app in front of a whole new audience. Start now. > > http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > > > > > -- > Regards, > Manoj Kumar, > Mech Undergrad > http://manojbits.wordpress.com > > > ------------------------------------------------------------------------------ > Android apps run on BlackBerry 10 > Introducing the new BlackBerry 10.2.1 Runtime for Android apps. > Now with support for Jelly Bean, Bluetooth, Mapview and more. > Get your Android app in front of a whole new audience. Start now. > http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk > > > > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > ------------------------------------------------------------------------------ Android apps run on BlackBerry 10 Introducing the new BlackBerry 10.2.1 Runtime for Android apps. Now with support for Jelly Bean, Bluetooth, Mapview and more. Get your Android app in front of a whole new audience. Start now. http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
