Dimitrios, please provide an example script so that we can reproduce the error.
BTW: gist [1] is a handy tool to distribute scripts. [1] https://gist.github.com/ best, Peter 2012/3/27 Dimitrios Pritsos <[email protected]>: > > Hello, > > While I am svm.sparse.SVC with a scipy.sparse.csr_matrix the following > error occurs: > > File > "/home/dimitrios/Development_Workspace/webgenreidentification/src/experiments_lowbow.py", > line 115, in evaluate > csvm.fit(train_X, train_Y) > File "/usr/local/lib/python2.6/dist-packages/sklearn/svm/sparse/base.py", > line 22, in fit > return super(SparseBaseLibSVM, self).fit(X, y, sample_weight) > File "/usr/local/lib/python2.6/dist-packages/sklearn/svm/base.py", line > 145, in fit > fit(X, y, sample_weight) > File "/usr/local/lib/python2.6/dist-packages/sklearn/svm/base.py", line > 294, in _sparse_fit > int(self.shrinking), int(self.probability)) > File "libsvm_sparse.pyx", line 158, in > sklearn.svm.libsvm_sparse.libsvm_sparse_train (svm/libsvm_sparse.c:1927) > File "/usr/lib/python2.6/dist-packages/scipy/sparse/compressed.py", line > 75, in __init__ > self.shape = shape # spmatrix will check for errors > File "/usr/lib/python2.6/dist-packages/scipy/sparse/base.py", line 71, in > set_shape > raise ValueError('invalid shape') > ValueError: invalid shape > > However, the .shape of my matrix Train_X is 18 x 7500 and the is > scipy.sparse.isspmatrix_csr( train_X ) is TRUE. The Train_Y is a list of 18 > int objects. > > So, what might be the problem? > > I am fighting with this for few hours but I cannot find the cause of this > error. > > Regards, > > Dimitrios > > ------------------------------------------------------------------------------ > This SF email is sponsosred by: > Try Windows Azure free for 90 days Click Here > http://p.sf.net/sfu/sfd2d-msazure > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > -- Peter Prettenhofer ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
