betareg (version 1.2.1)

cooks.distance.betareg: Cook's distance values

Description

Compute the Cook's distance values for beta regression models.

Usage

cooks.distance.betareg(model, ...)

Arguments

model

a fitted model using betareg.

...

further arguments passed to or from other methods.

Value

• This function returns a vector containing the Cook's distance values.

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.

COOK, R. D. and WEISBERG, S. (1982) Residuals and Influence in Regression. London: Chapman and Hall.

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)
cooks.distance(fit)