Displaying 1 result from an estimated 1 matches for "glmalt1b".
2009 Jan 26
1
glm StepAIC with all interactions and update to remove a term vs. glm specifying all but a few terms and stepAIC
...completely different final model. It has 8 variables that were
not in the model that was chosen with scope statement and manually removing
TRI:TRI^2, and it is missing 7 variables that were in the model chosen with
the scope statement. It has 8 variables that were in both. Code and
Result:
>glmalt1b<-glm(formula = PRESENCE =="1" ~
SNOW+SNOW:POP_DEN+SNOW:ROAD_DE+SNOW:ADJELEV+SNOW:I(ADJELEV^2)+SNOW:TRI+SNOW:
I(TRI^2)+SNOW:EDGE+SNOW:I(EDGE^2)+SNOW:TREECOV+SNOW:I(TREECOV^2)+I(SNOW^2)+I
(SNOW^2):POP_DEN+
>
I(SNOW2):ROAD_DE+I(SNOW^2):ADJELEV+I(SNOW^2):I(ADJELEV^2)+I(SNOW^2):TRI+I(SN...