ce493b09494c007b27c6fbc5944636136fedd6e3,Orange/preprocess/preprocess.py,RemoveSparse,__call__,#RemoveSparse#Any#,593

Before Change

                sparsness = data.X.shape[0] - np.count_nonzero(data.X, axis=0)
        else: // filter by nans
            if sp.issparse(data.X):
                sparsness = np.sum(np.isnan(data.X.data), axis=0)
            else:
                sparsness = np.sum(np.isnan(data.X), axis=0)
        att = [a for a, s in zip(data.domain.attributes, sparsness) if s <= tailored_threshold]
        domain = Orange.data.Domain(att, data.domain.class_vars,

After Change

        else: // filter by nans
            if sp.issparse(data.X):
                data_csc = sp.csc_matrix(data.X)
                sparsness = [np.sum(np.isnan(data.X[:, i].data)) for i in range(data_csc.shape[1])]
            else:
                sparsness = np.sum(np.isnan(data.X), axis=0)
        att = [a for a, s in zip(data.domain.attributes, sparsness) if s <= tailored_threshold]
        domain = Orange.data.Domain(att, data.domain.class_vars,

Instances