Value matching
match(x, table, ...)# S3 method for default
match(x, table, ...)
# S3 method for lvec
match(x, table, na_incomparable = FALSE, ...)
lvec of values to be matched
vector of values in which to look for matches.
optional arguments passed to and from other methods.
can NA's and NaN's be matched.
Returns a numeric lvec of the same length as x with the
corresponding indices of records in table with the same value. When no match
in table is found, NA is returned for the corresponding record.