A collection of tools to evaluate probability density functions, cumulative distribution functions, quantile functions and random numbers for truncated random variables. These functions are provided to also compute the expected value and variance. Nadarajah and Kotz (2006) developed most of the functions. QQ plots can be produced. All the probability functions in the stats, stats4 and evd packages are automatically available for truncation. This package is an extension of the truncdist package, but modified to be more robust and appropriate handle distributions that have parameters n, p, q, or x.
Package details 


Author  Frederick Novomestky, Saralees Nadarajah, Derek Sonderegger 
Maintainer  Derek Sonderegger <derek.sonderegger@nau.edu> 
License  GPL (>= 2) 
Version  1.10 
Package repository  View on GitHub 
Installation 
Install the latest version of this package by entering the following in R:

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