# Data mining software SPSS Clementine 12 installation tutorial HTTPS: // blog.csdn.net/u014374031/article/details/50082941
#clementine: [1] data read excel
https://jingyan.baidu.com/article/c843ea0b788c7677931e4ae1.html
#Clementine using classic example (tree)
https://blog.csdn.net/lijieneptune/article/details/3278958
https://wenku.baidu.com/view/8fd92a23bcd126fff7050b52.html?sxts=1560145691222
# Missing values
https://blog.csdn.net/SmileCloud201/article/details/8262763