fit.binomialBeta {QRMlib}R Documentation

Fit Beta-Binomial Distribution

Description

fit a beta-binomial distribution by maximum likelihood

Usage

fit.binomialBeta(M, m, startvals=c(2, 2), ses=FALSE)

Arguments

M vector of numbers of successes
m vector of numbers of trials
startvals starting values for parameter estimates
ses whether standard errors should be calculated

Value

list containing parameter estimates and details of fit

Author(s)

documentation by Scott Ulman for R-language distribution

See Also

fit.binomial, fit.binomialLogitnorm, fit.binomialProbitnorm

Examples

## Not run: 
data(spdata.raw);
spdata.raw; 
#attach data so we don't have to qualify the data column names:
attach(spdata.raw); 
BdefaultRate <- Bdefaults/Bobligors; 
mod1 <- fit.binomialBeta(Bdefaults, Bobligors); 
## End(Not run)

[Package QRMlib version 1.4 Index]