Given the failry complex model you want to fit on a relative small dataset, you should better seek some local (face-to-face) advise on your problem.
Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance Kliniekstraat 25 1070 Anderlecht Belgium + 32 2 525 02 51 + 32 54 43 61 85 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -----Oorspronkelijk bericht----- Van: r-sig-ecology-boun...@r-project.org [mailto:r-sig-ecology-boun...@r-project.org] Namens Mahnaz Rabbaniha Verzonden: maandag 21 mei 2012 18:33 Aan: r-sig-ecology Onderwerp: [R-sig-eco] gam result Dear all for finding the relation between this variable i use gam ( in base of non-normality) [1] "temperature" "salinity" "depth" "Clupeidae" model<-gam(Clupeidae~s(temperature)+s(salinity)+s(depth)) the result: Parametric coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.40156 0.05467 7.345 2.12e-10 *** Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Approximate significance of smooth terms: Edf Ref.df F p-value s(temperature) 4.321 5.326 1.470 0.207 s(salinity) 2.893 3.569 1.540 0.204 s(depth) 1.000 1.000 0.015 0.903 R-sq.(adj) = 0.1 Deviance explained = 18.9% GCV score = 0.28203 Scale est. = 0.25109 n = 84 this is my question;in base of R-sq. or others parameters,is this model robust ifor analyses? also in others section this parameter is less than0.1 thanks all _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology
