Description Details Author(s) References See Also Examples
Computes the noncentral gamma functions: pdf, cdf, quantiles and noncentrality parameter. This functions uses the mixture of incomplete gamma variable with Poisson weights.
given x: vector of positive quantiles; alpha > 0 noncentral gamma parameter; and delta: noncentrality parameter
dgammanc(x, alpha, delta) - computes the pdf of the noncetral gamma function
pgammanc(x, alpha, delta) - computes the cdf of the noncetral gamma function
given p: vector of cumulative probabilities and alpha>0 and delta >0
qgammanc(p, alpha, delta) - computes quantiles of the noncetral gamma function
given x: vector of positive quantiles; alpha > 0 noncentral gamma parameter; and 0 < p < 1.
deltagammanc(x, alpha, p) - computes the noncentrality parameter of the noncetral gamma function
Daniel Furtado Ferreira and Izabela Regina Cardoso de Oliveira and Fernando Henrique Toledo
Maintainer: Daniel Furtado Ferreira <danielff@dex.ufla.br>
Oliveira, IRC; Ferreira, DF Computing the noncentral gamma distribution, its inverse and the noncentrality parameter. Computational Statistics. Submmited for publications. 2012.
Package homepage: <www.dex.ufla.br/~danielff/r_rsources.html>
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