What does my read.demogdata does not work and instead shows this error “error in [.data.frame (tmp1. i+2) : undefined column selected. All helps will greatly appreciated, i will attach a picture of my coding
What does my read.demogdata does not work and instead shows this error “error in [.data.frame (tmp1. i+2) : undefined column selected. All helps will greatly appreciated, i will attach a picture of my coding