A summaryFunction type function, intended to be called from summarize to be called from summarize, which counts the number of unique (excluding NAs) values in a variable.

uniqueValues(v, ...)

Arguments

v

A variable (vector).

...

Not in use.

Value

An object of class summaryResult with the following entries: $feature ("No. unique values") and $result (the number of unique values in v).

See also

Examples

uniqueValues(c(1:3, rep(NA, 10), Inf, NaN))
#> Number of unique values: 5