hello R_team
having perfomed a PCA on my fitted model with the function:
data<- na.omit(dataset)
data.pca<-prcomp(data,scale =TRUE),
I´ve decided to aggregate two variables that are highly correlated.
My first question is:
How can I combine the two variables into one new predictor?
and secondly:
How can I predict with the newly created variable in a new dataset?
Guess I need the "predict" and "new data" command but I´m having problems with
the syntax and the help function was not sufficient on this issue.
many thanks in advance
Christian
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