------------------------------
Message: 2
Date: Thu, 24 May 2012 11:41:06 +0430
From: Mahnaz Rabbaniha<rab.mah...@gmail.com>
To: r-sig-ecology<r-sig-ecology@r-project.org>
Subject: [R-sig-eco] Poisson regression
Message-ID:
<canlcanxsf0zpyc-r22f32veeeyjq7kfn8ksgkxffc44uty_...@mail.gmail.com>
Content-Type: text/plain
Dear all
to find relation between non-normal response with independents variable i
use this code:
model1<-gam(Clupeidae~s(depth)+s(temperature)+s(salinity),poisson)
the result shown is:
There were 50 or more warnings (use warnings() to see the first 50)
warnings(model1)
Warning messages:
1: In dpois(y, mu, log = TRUE) : non-integer x = 2.079542 Error in
cat(list(...), file, sep, fill, labels, append) :
argument 2 (type 'list') cannot be handled by 'cat'
what is meaning it?
do i allow use it for continue?
Check whether your Clupeidae variable contains non-integers.......
Alain
thanks
--
Dr. Alain F. Zuur
First author of:
1. Analysing Ecological Data (2007).
Zuur, AF, Ieno, EN and Smith, GM. Springer. 680 p.
URL: www.springer.com/0-387-45967-7
2. Mixed effects models and extensions in ecology with R. (2009).
Zuur, AF, Ieno, EN, Walker, N, Saveliev, AA, and Smith, GM. Springer.
http://www.springer.com/life+sci/ecology/book/978-0-387-87457-9
3. A Beginner's Guide to R (2009).
Zuur, AF, Ieno, EN, Meesters, EHWG. Springer
http://www.springer.com/statistics/computational/book/978-0-387-93836-3
4. Zero Inflated Models and Generalized Linear Mixed Models with R. (2012)
Zuur, Saveliev, Ieno.
http://www.highstat.com/book4.htm
Other books: http://www.highstat.com/books.htm
Statistical consultancy, courses, data analysis and software
Highland Statistics Ltd.
6 Laverock road
UK - AB41 6FN Newburgh
Tel: 0044 1358 788177
Email: highs...@highstat.com
URL: www.highstat.com
URL: www.brodgar.com
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