> I am using the tolerance parameter as 0.0001 for libLinear which is the
> default setting. How much further should I reduce?

It will depend on how big is your C. A good test is to check that the
performance
does not depend anymore on this parameter.

to illustrate this, try to run

http://scikit-learn.sourceforge.net/auto_examples/linear_model/plot_logistic_path.html

(I used tol=1e-6) with the default tol and you will see a much less nicer path.

we need a warm restart !

Alex

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