def modify_XY(self, X, Y, class_item):

        modify_X = []
        modify_Y = []

        for idx, val in enumerate(Y):
            if val == class_item[0]:
                modify_Y.append(1)
                modify_X.append(X[idx])
            elif val == class_item[1]:
                modify_Y.append(-1)
                modify_X.append(X[idx])

        return np.array(modify_X), np.array(modify_Y)
dataset/ETHPy150Open fukuball/fuku-ml/FukuML/LinearRegression.py/MultiClassifier.modify_XY/original