[R] growth curve estimation

e gamlss manual, Stasinopoulos et al. (2008) 'Instructions on how to use the gamlss package in R, 2nd edition', or see Chambers and Hastie (1992) 'Statistical Models in S'). Robert Rigby Date: Tue, 10 Dec 2013 18:27:45 + From: D?niel Kehl To: David Winsemius Cc: &quo

Re: [R] growth curve estimation

choose the effective degrees of freedom for smoothing are available, see Rigby and Stasinopoulos (2004, 2005, 2006) and Stasinopoulos and Rigby (2007). Robert Rigby Il 08/12/2013 16.45, Daniel Kehl ha scritto: > Dear Community, > > I am struggling with a growth curve estimation probl

Re: [R] Nonnormal Residuals and GAMs

variables. This can be important for selecting mean model terms and is particularly important when interest lies in the variance and/or quantiles of the response variable. Robert Rigby On 06/11/13 21:46, Collin Lynch wrote: > Greetings, My question is more algorithmic than prectical. What I

Re: [R] R-help Digest, Vol 128, Issue 29

test can be used to test whether the heterogeity is needed. Alternatively a generalized Akaike information criterion (GAIC) can be used to compare models. Robert Rigby On Date: Sat, 26 Oct 2013 23:57:51 -0400 (EDTCollin Lynch < coll...@cs.pitt.edu> wrote Subject: [R] Heteroscedastici