Four-parameter fractional polynomial-logistic model — FPL.4 • drc

Convenience function for the four-parameter fractional polynomial-logistic model.

Usage

FPL.4(p1, p2, fixed = c(NA, NA, NA, NA), names = c("b", "c", "d", "e"), ...)

Arguments

p1: numeric denoting the negative power of log(dose+1) in the fractional polynomial.
p2: numeric denoting the positive power of log(dose+1) in the fractional polynomial.
fixed: numeric vector of length 4 specifying fixed parameters (NAs for free parameters).
names: character vector of parameter names.
...: additional arguments passed to fplogistic.

Value

A list (see fplogistic).

See also

fplogistic, maED