f4a5be4f4a404c30c9acaac2c2e691021d4715b0,mlxtend/preprocessing/mean_centering.py,MeanCenterer,transform,#MeanCenterer#,28

Before Change

        self._get_array(X)
        // centering
        for i in range(self.ary.shape[0]):
            self.ary[i] -= self.col_means
        return self.ary

    def fit(self, X):

After Change

        self.col_means = None

    def transform(self, X):
        X_tr = np.copy(self._get_array(X))
        X_tr = np.apply_along_axis(func1d=lambda x: x - self.col_means, axis=1, arr=X_tr)
        return X_tr

    def fit(self, X):
        self.col_means = self._get_array(X).mean(axis=0)

Instances