Set NA for the values of x that contain a single repeating character and
no other characters.
Arguments
- x
A vector to check.
- n
The minimum number times a character must repeat. If 0, the default,
then any string of one character will be replaced with NA. If greater
than 0, the string must contain greater than n number of repetitions.
Value
The vector x with NA replacing repeating character values.
Details
Uses the regular expression "^(.)\\1+$".
See also
Other counting wrappers:
count_diff(),
count_in(),
count_na(),
count_out(),
na_in(),
na_out(),
prop_distinct(),
prop_in(),
prop_na(),
prop_out(),
what_in(),
what_out()
Examples
na_rep(c("VT", "NH", "ZZ", "ME"))
#> [1] "VT" "NH" NA "ME"