Count in

Source: R/counters.R

Count the total values of x that are %in% the vector y.

count_in(x, y, na.rm = TRUE, ignore.case = FALSE)

Arguments

x

A vector to check.

y

A vector to compare against.

na.rm

logical; Should NA be ignored?

ignore.case

logical; if FALSE, the pattern matching is case sensitive and if TRUE, case is ignored during matching.

Value

The sum of x present in y.

Details

sum(x %out% y)

See also

Other counting wrappers: count_diff(), count_na(), count_out(), na_in(), na_out(), na_rep(), prop_distinct(), prop_in(), prop_na(), prop_out(), what_in(), what_out()

Examples

count_in(c("VT", "NH", "ZZ", "ME"), state.abb)
#> [1] 3