Everything will disappear if you don't save it. However, if you do ```clf = LinearRegression().fit(X, y)``` then the model is saved in the variable `clf`.
On Sun, Jun 4, 2017 at 4:06 PM, C W <tmrs...@gmail.com> wrote: > Yes, they make a lot sense. Thanks! > > I wanted to ask a follow-up: > > > LinearRegression().fit(X, y) > When I do this, where is everything saved? Or does it disappear after I > run it? > > Thank you! > > On Sun, Jun 4, 2017 at 6:40 PM, Guillaume Lemaitre <g.lemaitr...@gmail.com > > wrote: > >> Hope it helps. I answered in the original message >> >> G >> *From: *C W >> *Sent: *Monday, 5 June 2017 00:31 >> *To: *scikit-learn@python.org >> *Reply To: *Scikit-learn user and developer mailing list >> *Subject: *[scikit-learn] How to best understand scikit-learn and know >> its modules and methods? >> >> Dear scikit learn list, >> >> I am new to scikit-learn. I am getting confused about LinearRegression. >> >> For example, >> from sklearn.datasets import load_boston >> from sklearn.linear_model import LinearRegression >> boston = load_boston() >> X = boston.data >> y = boston.target >> model1 = LinearRegression() >> model1.fit(X, y) >> print(model.coef) >> >> I got a few questions: >> 1) When I do model1.fit(X, y), don't I have to save it? Does object >> model1 automatically gets trained/updated? Since I don't see any output, >> how do I know what has been done to the model1? >> >> The model has been fitted (trained in place). model1 will contain all >> info learnt directly. In addition, the output will be a fitted model1 >> because fit return self. Normally, model1.fit(X,y) will print >> LinearRegression(...) >> >> 2) Is there a command to see what's masked under sklearn, like >> sklearn.datasets, sklearn.linear_model, and all of it? >> >> You can check the documentation API. I think that this is the best user >> friendly thing that you can start with. >> >> 3) Why do we need load_boston() to load boston data? I thought we just >> imported it, so it should be ready to use. >> >> Load_boston() is a helper function which will load the data. Importing >> load_boston will import the function not the data. Calling the imported >> function will load the data. >> >> Thank you very much! >> >> Mike >> >> >> _______________________________________________ >> scikit-learn mailing list >> scikit-learn@python.org >> https://mail.python.org/mailman/listinfo/scikit-learn >> >> > > _______________________________________________ > scikit-learn mailing list > scikit-learn@python.org > https://mail.python.org/mailman/listinfo/scikit-learn > >
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