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The GetR package calculates Guttman error trees, which can be used to find homogeneous subgroups regarding Guttman errors.
Package details 


Author  Johannes Beller, Soeren Kliem 
Maintainer  Johannes Beller <johannesbeller@gmail.com> 
License  GPL3 
Version  0.1 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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