Displaying 1 result from an estimated 1 matches for "ampmixed".
2008 May 25
1
How to write a package based on nlme
Dear R Helpers,
I try to write a small package that based on nlme however my code does
not work.
R always appears this message:
Error in eval(expr, envir, enclos) : object "y" not found
where y is the response variable. Please help me out!
This is my code:
require(nlme)
AMPmixed<-function(y, x, S1=c("asymptotic","logistic"), random,data,
S2=c("asymptotic","logistic"), start)
{
logist.logist<-function(x,alpha,delta,psi.l,tau.l,gamma,h){
delta+(alpha-delta+gamma*(x-(h-1))/exp(x))/(1+exp(-(x-tau....