R Development Page
Contributed R Packages
Below is a list of all packages provided by project Special Mathematical Functions.
Important note for package
binaries: RForge provides these binaries only for
the most recent version of R, but not for older
versions. In order to successfully install the
packages provided on RForge, you have to switch
to the most recent version of R or, alternatively,
install from the package sources (.tar.gz).
DPQ  Density, Probability, Quantile (DPQ) Computations


Computations for approximations and alternatives for the DPQ
(Density (pdf), Probability (cdf) and Quantile) functions for probability
distributions in R.
Primary focus is on (central and noncentral) beta, gamma and related
distributions such as the chisquared, F, and t.

For several distribution functions, provide functions implementing formulas from
Johnson, Kotz, and Kemp (1992) and
Johnson, Kotz, and Balakrishnan (1995) for discrete or continuous
distributions respectively.
This is for the use of researchers in these numerical approximation
implementations, notably for my own use in order to improve standard
R pbeta(), qgamma(), ..., etc: {"dpq"functions}. 

Version: 0.59 
Last change: 20231204 18:14:27+01 
Rev.: 279 

Download:
(.tar.gz) 
(.zip) 
Build status: Current  Stable Release: Get DPQ 0.58 from CRAN 

R install command:
install.packages("DPQ", repos="http://RForge.Rproject.org") 


DPQmpfr  DPQ (Density, Probability, Quantile) Distribution Computations using MPFR


An extension to the DPQ package with computations for DPQ
(Density (pdf), Probability (cdf) and Quantile) functions, where
the functions here partly use the Rmpfr package and hence the
underlying MPFR and GMP C libraries. 

Version: 0.32 
Last change: 20231205 12:03:35+01 
Rev.: 281 

Download:
(.tar.gz) 
(.zip) 
Build status: Current  Stable Release: Get DPQmpfr 0.32 from CRAN 

R install command:
install.packages("DPQmpfr", repos="http://RForge.Rproject.org") 


dcdflib  R Interface to Probability Distribution Function Library DCDFLIB


An interface to Barry Browns distribution function library
DCDFLIB, where the first .C() interface was autogenerated via perl scripts. 

Version: 0.71 
Last change: 20180818 22:27:50+02 
Rev.: 53 

Download:
(.tar.gz) 
(.zip) 
Build status: Failed to build 

R install command:
install.packages("dcdflib", repos="http://RForge.Rproject.org") 


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