ProbitVarianceRate {ecotoxicology}

Variance of rate of increase of probit value per unit increase in x

Description

Variance of rate of increase of probit value per unit increase in x

Usage

ProbitVarianceRate(n, w, x, xbar)

Arguments

n

numeric, number of insects

w

numeric, weighting coefficients

x

numeric, log concentration

xbar

numeric, mean dosage

Value

Variance of rate of increase of probit value per unit increase in x

Author(s)

Jose Gama

References

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