graphics.py 文件源码

def df_minus(self,column,minus_info):
        '''
        Args
            column (string):
                the column name to be played with
            minus_info (string, int, float or pandas.DataFrame):
                information to be subtracted from the selected column
        Returns
            -
        '''
        if isinstance(minus_info,str):
            self.data_df[column] = self.data_df[column] - self.data_df[minus_info]
        elif isinstance(minus_info,(int,float)):
            self.data_df[column] = self.data_df[column] - minus_info
        elif isinstance(added_info,(pd.Series,pd.DataFrame)):
            self.data_df[column] = self.data_df[column] - added_info

    # This function multiplys the selected column with certain factor