[R] Add function to each row excluding certain columns

[laro]

Thank you again! But somehow the which(function) didn't work...
The problem is, that the columns I want to drop in further calculations will
not have the same name, that's why I'm looking for a solution to make a
vector of the columns that should be omitted, like

omit<-c("Restriction 1","Restriction 2")

and then simple add the function max to the rows, withour the listed columns
in omit (I know this doesn't work, but something like this)

example1New <- cbind(example1, `MAX without
Restriction`=apply(example1[,-omit],1,max,na.rm=TRUE))

Is there any way?

Kind regards



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