Nothing
This is a set of statistical quality control functions, that allows plotting control charts and its iterations, process capability for variable and attribute control, highlighting the xrs_gr() function, like a first iteration for variable chart, meanwhile the we_rules() function detects non random patterns in sample.
Package details 


Author  Erick Marroquin 
Date of publication  20161112 01:05:48 
Maintainer  Erick Marroquin <ericksuhel@gmail.com> 
License  GPL (>= 2) 
Version  0.1 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.