Re: [R] Interpreting factor*numeric interaction coefficients

2010-04-12 Thread Peter Ehlers
On 2010-04-12 3:15, Matthew Carroll wrote: Dear all, I am a relative novice with R, so please forgive any terrible errors... I am working with a GLM that describes a response variable as a function of a categorical variable with three levels and a continuous variable. These two predictor variabl

Re: [R] Interpreting factor*numeric interaction coefficients

2010-04-12 Thread ONKELINX, Thierry
dag 12 april 2010 11:16 > Aan: r-help@r-project.org > Onderwerp: [R] Interpreting factor*numeric interaction coefficients > > Dear all, > I am a relative novice with R, so please forgive any terrible > errors... > > I am working with a GLM that describes a response variabl

[R] Interpreting factor*numeric interaction coefficients

2010-04-12 Thread Matthew Carroll
Dear all, I am a relative novice with R, so please forgive any terrible errors... I am working with a GLM that describes a response variable as a function of a categorical variable with three levels and a continuous variable. These two predictor variables are believed to interact. An example of su