ecotoxicology (version 1.0.1)

ProbitWorkingP: Calculate working probit

Description

Returns the working probit

Usage

ProbitWorkingP(Y, p)

Arguments

Y

numeric, expected probit

p

numeric, kill percentage

Value

the working probit

References

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

Examples

# Example from page 50 of Finney 1964:
# kill p = 72.3%, expected probit Y = 6.2
Y <- 6.2
p <- 72.3/100
# working probit = 5.366
ProbitWorkingP(Y,p)