scikit-learn/scikit-learn — pull request #683 by agramfort (2012-03-06 10:34:13+00:00)
Title: API: use C=None by default in libsvm/liblinear bindings

use C=None by default in libsvm/liblinear bindings so:

(C=1, scale_C...=False) which is libsvm default == (C=None, scale_C=True) which is the scikit default