fm1<-nlme(model=plfp ~ (exp(-1+bm + bmxd +
+ wm + wmxd +
+ bf + bfxd +
+ wf + wfxd +
+ yrsed + age + age2)) / (1+exp(-1+bm + bmrd +
+ wm + wmxd +
+ bf + bfxd +
+ wf + wfxd +
+ yrsed + age + age2)),
+ fixed=list(bm ~ 1, bmxd ~ 1,
+ wm ~ 1, wmxd ~ 1,
+ bf ~ 1, bfxd ~ 1,
+ wf ~ 1, wfxd ~ 1,
+ yrsed ~ 1, age ~ 1, age2 ~ 1,
+ data = PLFPANAL,
+ random=list(bm ~ 1, wm ~ 1, bf ~ 1, wf ~ 1),
+ start = c(bm = 0, bmxd = 0,
+ wm = 0, wmxd = 0,
+ bf = 0, bfxd = 0,
+ wf = 0, wfxd = 0,
+ yrsed = 0, age = 0, age2 = 0))
Error in parse(file, n, text, prompt) : parse error