R code of Stepwise variable or feature Selection (SS)

This is R code to run Stepwise variable or feature Selection (SS).

Please download the supplemental zip file (this is free) from the URL below to run the SS code.

http://univprofblog.html.xdomain.jp/code/R_scripts_functions.zip

Please place the supplemental files at the same directory or folder as that of the SS code.

The way to use the codes is written in the URL below.

https://medium.com/@univprofblog1/stepwise-variable-or-feature-selection-ss-r-code-all-you-have-to-do-is-just-preparing-data-set-4704c7b2ab2e#.8k3luh8qr