graphics.py 文件源码

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

    # This function performs minus to a given column