shogun-toolbox/shogun — pull request #2264 by mazumdarparijat (2014-05-28 19:56:54+00:00)
Title: class structure for CHAID added

- class structure added for CHAID
refer : [this page](http://pic.dhe.ibm.com/infocenter/spssstat/v20r0m0/index.jsp?topic=%2Fcom.ibm.spss.statistics.help%2Falg_tree-chaid.htm)