Fit a Two-factor Box-Tidwell Nonlinear Response Surface
Usage
rs3(y,x1,x2,x3power=c(1,1,1),weight=rep(1,length(y)),family=normal)
Arguments
y
|
Response variable
|
x1
|
First covariate
|
x2
|
Second covariate
|
x3
|
Third covariate
|
power
|
Initial estimates of the three power transformations
|
weight
|
Weight vector
|
family
|
glm family
|
Description
rs3 fits a three-covariate power-transformed response surface by
iterating the function, glm.Value
A list of class, rs, is returned containing the model and the power
estimates.See Also
lm, glm, gnlr, gnlr3,
fmr, rs2.Examples
rs3(native,area,elevation,santacruz,p=c(-1,0.8,1),fam=poisson,weight=wt)