preprocess.py 文件源码

def __init__(self, data_block):

        #check if data element is of class datablock
        self.check_datatype(data_block,'data_block',DataBlock)

        self.datablock = data_block
        #though redundant but will make code mode readable
        self.target = self.datablock.target

        #get tuple of available data
        self.dp = self.datablock.data_present().values()