[R] Density plot with lattice?

Hi, Is it possible to remove the points at the base of a density plot?I would like to keep only the curves of the plot, not the points. Thank you. Marie-Helene HacheyM.Sc. studentUniversite Laval, Quebec __

[R] Mixed-effects model for overdispersed count data?

Hi, I have to analyse the number of provisioning trips to nestlings according to a number of biological and environmental factors. I was thinking of building a mixed-effects model with species and nestid as random effects, using a Poisson distribution, but the data are overdispersed