DataFrame数据格式转换成FFM格式
pandas_onehot函数 :首先需要将数据转为onthot编码
data_convert2ffm函数:其次将编码后的数据转为ffm格式数据
The data format of LIBFFM is:
:: ::...
field and index 是非负整数 (具体格式显示有问题,打开readme查看)
field:为同一onehot前的变量字段(即大的一个域)
index:为编码后的字段的列序号
value:为对一个的变量值
This project forked from hangtongluo/dataframe2ffm
DataFrame数据格式转换成FFM格式
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