[R] logistic regression 3D-plot

Dear R-helpers, I tried to create a 3D surface showing the interaction between two continuous explanatory variables; the response variable is binary (0/1). The model is: model-glm(incidence~sun*trees,binomial) then I used wireframe to create a 3D plot:

RE: [R] logistic regression 3D-plot

I tried to create a 3D surface showing the interaction between two continuous explanatory variables; the response variable is binary (0/1). The model is: model-glm(incidence~sun*trees,binomial) then I used wireframe to create a 3D plot:

Re: [R] logistic regression 3D-plot

[EMAIL PROTECTED] wrote: Dear R-helpers, I tried to create a 3D surface showing the interaction between two continuous explanatory variables; the response variable is binary (0/1). The model is: model-glm(incidence~sun*trees,binomial) then I used wireframe to create a 3D plot:

Re: [R] logistic regression 3D-plot CORRECTION

library(Design) d - datadist(mydata); options(datadist='d') f - lrm(incidence ~ sun*trees) # lrm is for binary or ordinal response plot(f, sun=NA, trees=NA) # add method='image' or 'contour' to get other types of graphs plot(f, sun=NA, trees=NA, fun='plogis') # probability scale Correction: