[R] Problem on estimating fish species

Hi I am trying to estimate the proportion of species landed by species. But I always get error messages. Can you please help me? Thanks Ivone I am trying to use R2Winbugs to skate.4 <- bugs (skateA.data, inits=skatesA.inits, skateA.parameters, model1.file, n.chains=1, n.iter=50, bugs

[R] ERROR Message

Hi Could you please help me I am trying to fit a Multilevel Poisson regression with the following code ## BUGS CODE ## Multilevel Poisson regression model { for (i in 1:n){ y[i] ~ dpois (lambda[i]) log(lambda[i]) <- mu + b.species[Species[i]] + b.quarter[Quarter[i]] +

[R] Mahalanobis distance

Hi everyone, Can you please help me on how to estimate the Mahalanobis distance in a large matrix Thanks Ivone [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.eth