[R] Fwd: Using Geographic Information Systems and Remote Sensing to study disease vector habitat

2015-04-16 Thread Giuseppe Amatulli
ll-for-applications Best Rigards -- Giuseppe Amatulli, Ph.D. Department of Ecology and Evolutionary Biology, Yale University. Jetz Lab, OML Room 405 P.O. Box 208106 New Haven, CT 06520-8106 Teaching: spatial-ecology.net Work: http://sbsc.yale.edu/giuseppe-amatulli <http://www.spatial-e

Re: [R] confidence / prediction ellipse

2013-01-27 Thread Giuseppe Amatulli
fitted multiple responses, I > suppose). > > -- Bert > > On Sat, Jan 26, 2013 at 1:12 PM, Giuseppe Amatulli > wrote: > > Hi, > > I'm using the R library(car) to draw confidence/prediction ellipses in a > > scatterplot. > > >From what i understood the ell

Re: [R] confidence / prediction ellipse

2013-01-27 Thread Giuseppe Amatulli
> > Senator McMaster Professor of Social Statistics > > Department of Sociology > > McMaster University > > Hamilton, Ontario, Canada > > > > > > > > > >> -Original Message- > >> From: r-help-boun...@r-project.org [

Re: [R] confidence / prediction ellipse

2013-02-07 Thread Giuseppe Amatulli
; b <- c(13,15,7,10,73,83,43) > npts <- length(a) > shape <- var(cbind(a, b)) > center <- c(mean(a),mean(b)) > rconf <- sqrt(2 * (npts-1) * qf(0.95, 2, npts-2)/(npts*(npts-2))) > rpred <- sqrt(npts+1)*rconf > > conf.elip <- ellipse(center, shape, rconf,draw

[R] fit an nls model

2013-02-12 Thread Giuseppe Amatulli
of-squares decrease. Should i just guess and change the main function (B + A * log(x06Veg)) with another one (e.g. B + A * sqrt(x06Veg)) and re-run or there is a better way? Thanks in Advance Giuseppe -- Giuseppe Amatulli Web: www.spatial-ecology.net [[alternative HTML version delet

[R] SPATIO-TEMPORAL ANALYSIS AND BIG DATA PROCESSING USING FREE AND OPEN SOURCE SW

2013-09-20 Thread Giuseppe Amatulli
Staff* Dr. Raul Zurita-Milla (University of Twente, NL) Dr. Giuseppe Amatulli (Yale University, USA) Dr. Stefano Casalegno (University of Exeter, UK) Dr. Pieter Kempeneers (VITO, BE) -- Giuseppe Amatulli Web: www.spatial-ecology.net [[alternat

[R] linear model with similar response predictor

2010-08-05 Thread Giuseppe Amatulli
pts is wrong it should be equal to 0. I compile the R 2.11.1 in the Fedora 13. Should i download a library? Some configure options are missing during the installation? or is a bug? Thanks in advance Giuseppe Amatulli __ R-help@r-project.org mailing list

[R] Regression Error Characteristic Curves

2010-08-11 Thread Giuseppe Amatulli
simple example all the tuning parameter settings. Thanks in advance Giuseppe Amatulli __ 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.htm