Repeat vector when its length is not a multiple of desired total length

Question

I have a data frame with 1666 rows. I would like to add a column with a repeating sequence of 1:5 to use with cut() to do cross validation. It wo

Answer 1

Something, like this?

df <- data.frame(rnorm(1666))
df$cutter <- rep(1:5, length.out=1666)

tail(df)
     rnorm.1666. cutter
1661  0.11693169      1
1662 -1.12508091      2
1663  0.25441847      3
1664 -0.06045037      4
1665 -0.17242921      5
1666 -0.85366242      1