ProbitVarianceDosage {ecotoxicology}

Variance of dosage

Description

Variance of dosage

Usage

ProbitVarianceDosage(b, m, n, w, x, xbar)

Arguments

b

numeric, rate of increase of probit value per unit increase in x

m

numeric, dosage

n

numeric, number of insects

w

numeric, weighting coefficients

x

numeric, log concentration

xbar

numeric, mean dosage

Value

Variance of dosage

Author(s)

Jose Gama

References

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