On 12/25/2013 3:58 AM, Guy Rotem wrote:
Hi, I want to analysis the effect of two continuous independent variables (rain and slope) on a categorical dependent variable (soil type). Do you know how doing it?
You could look a my short course notes for Visualizing Categorical Data with SAS and R, http://www.datavis.ca/courses/VCD/,
Section 5, Polytomous response models. Various possibilities exist, depending on whether soil type is ordinal or nominal. Some of the R functions (among others) for fitting these models are: polr in the MASS package multinom in the nnet package HTH -Michael -- Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology Dept. & Chair, Quantitative Methods York University Voice: 416 736-2100 x66249 Fax: 416 736-5814 4700 Keele Street Web: http://www.datavis.ca Toronto, ONT M3J 1P3 CANADA ______________________________________________ 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.
