match and %in% return values similar to the base R generic functions.

h2o.match(x, table, nomatch = 0, incomparables = NULL)

match.H2OFrame(x, table, nomatch = 0, incomparables = NULL)

x %in% table

Arguments

x a categorical vector from an H2OFrame object with values to be matched. an R object to match x against. the value to be returned in the case when no match is found. a vector of calues that cannot be matched. Any value in x matching a value in this vector is assigned the nomatch value.

Value

Returns a vector of the positions of (first) matches of its first argument in its second

match for base R implementation.
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