Count specified values in a vector
sumbrk.Rd
Counts the number of values in a vector that are equal to a specified value.
Arguments
- x
a character, factor or numeric vector.
- trueval
the value to be matched in x.
- na.rm
whether to remove NA values.
Details
sumbrk counts the values in x matching a specified value. It is mainly to allow these sums to be calculated in the brkdnNest function.
Examples
sumbrk(sample(LETTERS,100,TRUE),trueval="M")
#> [1] 6