Dear R experts:

I am running R version 2.12.1 on Windows 2007. I am studying the effects
maternal behavior in the body condition of sea lion pups from California.

I specified my model as follows:

LevelModel1 <- lme(PBC ~ Sex*Dur.nurse, random=~Sex|Trip, data=Dataset,
max.iter=100)

*See output below:*
Error in lme(PBC ~ Sex * Dur.nurse, random = ~Sex | Trip, data = Dataset,  :
  unused argument(s) (maxiter = 100)

Anyone can help me with the error that makes the output? Please

Thanks
Karina


-- 
Biol. Karina Villegas Cervantes
Estudiante de Maestría PCMyL - UNAM

Laboratorio de Ecologia de Pinnipedos Burney J. Le Boueuf.
CICIMAR-IPN
Av. Instituto Politecnico Nacional s/n.Col.Playa Palo de Santa Rita
La Paz Baja California Sur, Mexico.

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