drc (version 1.2-0)

finney71: Example from Finney (1971)

Description

For each of six concentration of an insecticid the number of insects affected (out of the number of insects) was recorded.

Usage

data(finney71)

source

Finney, D. J. (1971) Probit Analysis, Cambridge: Cambridge University Press.

Examples

## Fitting a logistic regression model
model1 <- multdrc(affected/total~dose, weights=total, data=finney71,
fct=l2(), type="binomial")
summary(model1)
plot(model1)


rm(model1)