计算特征的卡方校验值，最后一列为样本标签，输出为特征的卡卡校验值及对应的特征序列号-The chi-square calculate checksum feature, the last one as a sample label, the output characteristics of the card verification value and the corresponding serial number feature

实现WOE算法的R语言代码，WOE算法是信用卡评分模型的算法-The WOE algorithm is the algorithm of credit card scoring model

风控建评分卡模型程序,常用于消费金融，P2P，银行业(Code for Score card model)