Hi Simon, The result of sessionInfo() is: R version 3.1.0 (2014-04-10) Platform: x86_64-w64-mingw32/x64 (64-bit)
locale: [1] LC_COLLATE=Portuguese_Brazil.1252 LC_CTYPE=Portuguese_Brazil.1252 [3] LC_MONETARY=Portuguese_Brazil.1252 LC_NUMERIC=C [5] LC_TIME=Portuguese_Brazil.1252 attached base packages: [1] splines stats graphics grDevices utils datasets methods base other attached packages: [1] gamlss_4.3-1 gamlss.dist_4.3-1 MASS_7.3-31 gamlss.data_4.2-7 MuMIn_1.10.0 [6] ggplot2_1.0.0 mgcv_1.7-29 nlme_3.1-117 betareg_3.0-5 loaded via a namespace (and not attached): [1] colorspace_1.2-4 digest_0.6.4 flexmix_2.3-12 Formula_1.1-2 [5] grid_3.1.0 gtable_0.1.2 lattice_0.20-29 lmtest_0.9-33 [9] Matrix_1.1-3 modeltools_0.2-21 munsell_0.4.2 nnet_7.3-8 [13] plyr_1.8.1 proto_0.3-10 Rcpp_0.11.2 reshape2_1.4 [17] sandwich_2.3-1 scales_0.2.4 stats4_3.1.0 stringr_0.6.2 [21] survival_2.37-7 tools_3.1.0 zoo_1.7-11 Is this that you were asking or the sessionInfo() of the code (it would be sessionInfo(a2))? If it is the sessionInfo(a2) the result is: Error in if (pkg == "base") file.path(.Library, "base") else if (pkg %in% : missing value where TRUE/FALSE needed In addition: There were 50 or more warnings (use warnings() to see the first 50) Thanks Rodrigo Tardin Shor Term Scholar - Duke Marine Lab. - Duke University Doutorando em Ecologia e Evolução - IBRAG - UERJ M.Sc em Biologia Animal - PPGBA - UFRRJ Especialista em Docência do Ensino Superior - IAVM Laboratório de Bioacústica e Ecologia de Cetáceos - UFRRJ/ IF/ DCA 2014-10-15 15:22 GMT-04:00 Simon Wood <s.w...@bath.ac.uk>: > Can you give the result of typing > sessionInfo() > in the session where this happens, please? > > > On 15/10/14 16:48, Rodrigo Tardin wrote: > >> Hi all, >> >> I am not sure if this is the right place for this question or if there is >> one more specific. >> Anyway, I hope somebody can help me. >> >> I am trying to run a GAM with beta distribution from mgcv package. >> My dependent variable is a proportion continuously ranging from 0 to 1 >> (whales density) and I have three co-variates Depth, Distance to Coast and >> Seabed Slope. >> >> From what I read, beta distribution is the most appropriate for my >>> response >>> >> variable and not binomial. >> According to mgcv manual, it is possible to specify beta distribution on a >> GAM with the "betar" function, but I get the following error: >> could not find function "betar" >> >> My code is: >> library(mgcv) >> a2=gam(Density~s(DEPTH,k=4)+s(DISTCOAST_1,k=4)+s(SLOPE,k=4), >> family=betar(link="logit"),data=misti,gamma=1.4) >> >> The beta family is specified exactly as it is shown in the manual: >> bm <- gam(y~s(x0)+s(x1)+s(x2)+s(x3),family=betar(link="logit"),data=dat) >> >> Does anyone know what it seems to be the problem? >> Thanks in advance, >> Rodrigo >> >> >> Rodrigo Tardin >> >> Shor Term Scholar - Duke Marine Lab. - Duke University >> Doutorando em Ecologia e Evolu��o - IBRAG - UERJ >> M.Sc em Biologia Animal - PPGBA - UFRRJ >> Especialista em Doc�ncia do Ensino Superior - IAVM >> Laborat�rio de Bioac�stica e Ecologia de Cet�ceos - UFRRJ/ IF/ DCA >> >> [[alternative HTML version deleted]] >> >> >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/ >> posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> > > -- > Simon Wood, Mathematical Science, University of Bath BA2 7AY UK > +44 (0)1225 386603 http://people.bath.ac.uk/sw283 > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/ > posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.