[Package dplyr version 0.3.0.2]
head(x,2)
id flag
1 1406546098 1
2 1028926988 1
rename(x, flag = asskey)
Error: Unknown variables: asskey.
rename(x, flag = "asskey")
Error: Arguments to rename must be unquoted variable names. Arguments flag are not.
You want rename(x, asskey = flag)
Most helpful comment
You want
rename(x, asskey = flag)