ProbitRegression {ecotoxicology}R Documentation

Probit regression line

Description

Probit regression line

Usage

ProbitRegression(x, n, r, adjAbbot = FALSE, roundFinney = FALSE)

Arguments

x

numeric, log concentration

n

numeric, number of insects

r

numeric, number of observed affected

adjAbbot

logic, use Abbot adjustment

roundFinney

logic, round as in Finney's book

Value

Probit regression line a+bx

Author(s)

Jose Gama

References

Finney D. J., 1964 Probit analysis: a statistical treatment of the sigmoid response curve. Cambridge University Press


[Package ecotoxicology version 1.0.1 Index]