betareg (version 1.2.1)

estfun.betareg: Extract Empirical Estimating Functions

Description

Function for extracting the empirical estimating functions of a betareg fitted model.

Usage

estfun.betareg(x, ...)

Arguments

x

a fitted model using betareg.

...

further arguments passed to or from other methods.

Value

• A matrix containing the empirical estimating functions. Typically, this should be an n x k matrix corresponding to n observations and k parameters. The columns should be named as in coef or terms, respectively.

References

FERRARI, S.L.P., CRIBARI-NETO, F. (2004). Beta regression for modeling rates and proportions. Journal of Applied Statistics, v. 31, n. 7, p. 799-815.

ZEILEIS, A. (2006). Object-oriented Computation of Sandwich Estimators. Package vignette.

See Also

br.fit, summary.betareg, predict.betareg, residuals.betareg

Examples

data(pratergrouped)
fit <- betareg(oil ~ batch1 + batch2 + batch3 + batch4 + batch5 + 
batch6 + batch7 + batch8 + batch9 + temp, data=pratergrouped)
estfun.betareg(fit)