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hutilscpp (version 0.10.7)

unique_fmatch: Distinct elements

Description

Using the fastmatch hash functions, determine the unique elements of a vector, and the number of distinct elements.

Usage

unique_fmatch(x, nThread = getOption("hutilscpp.nThread", 1L))

uniqueN_fmatch(x, nThread = getOption("hutilscpp.nThread", 1L))

Value

Equivalent to unique(x) or data.table::uniqueN(x) respectively.

Arguments

x

An atomic vector.

nThread

Number of threads to use.