test_categorical.py 文件源码

def setUp(self):
        self.factor = Categorical.from_array(['a', 'b', 'b', 'a', 'a', 'c',
                                              'c', 'c'])

        df = DataFrame({'value': np.random.randint(0, 10000, 100)})
        labels = ["{0} - {1}".format(i, i + 499) for i in range(0, 10000, 500)]

        df = df.sort_values(by=['value'], ascending=True)
        df['value_group'] = pd.cut(df.value, range(0, 10500, 500), right=False,
                                   labels=labels)
        self.cat = df