bs-package {bs}R Documentation

Package for the Birnbaum-Saunders distribution.

Description

A collection of utilities for the Birnbaum-Saunders distribution (BSD).

Details

Package: bs
Type: Package
Version: 1.0
Date: 2007-09-03
License: GPL

Birnbaum and Saunders (1969) proposed a two-parameter failure time distribution for fatigue failure caused under cyclic loading. It was also assumed that the failure is due to the development and growth of a dominant crack.

Author(s)

Víctor Leiva <victor.leiva@uv.cl>, Hugo Hernández <hugo.hernande@msn.com>, and Marco Riquelme <mriquelm@ucm.cl>.

Maintainer: Hugo Hernández <hugo.hernandez@msn.com>.

References

Birnbaum, Z. W. and Saunders, S. C. (1969). A new family of life distributions. J. Appl. Probab. 6(2): 637-652.

Leiva, V., Hernández, H., and Riquelme, M. (2006). A New Package for the Birnbaum-Saunders Distribution. Rnews, 6/4, 35-40. (http://www.r-project.org)

Examples

## Load package
library(bs)

## density for the Birnbaum-Saunders distribution
## with parameters alpha=0.5 y beta=1.0 in x=3.
dbs(3,alpha=0.5,beta=1.0,log=FALSE)

[Package bs version 1.0 Index]