top_term_lookup: Hash Table/Dictionary Lookup

In M-U-UNI-MA/tpfunctions: A Package with different useful functions for textual analysis

Description

Replaces the individual elements of the vector 'terms' by the reassign key (largely based on qdapTools::lookup)

Usage

top_term_lookup(terms, key.match, key.reassign = NULL,
  tokenize = FALSE)

Arguments

terms	A vector of terms to undergo a lookup
key.match	Takes one of the following: (1) a two column data.frame of a match key and reassignment column (2) a named list of vectors (Note: if data.frame or named list supplied no key reassign needed) (3) a single vector match key.
key.reassign	A single reassignment vector supplied if key.match is not a two column data.frame/named list
tokenize	If TRUE terms will be first split by word boundaries and than put back together

Value

A new vector with reassigned values

Examples

library(tpfuns)
a <- c("property and plant", "property", "plant")
b <- c("property", "plant")
c <- c("replace 1", "replace 2")
top_term_lookup(a, b, c)
top_term_lookup(a, b, c, TRUE)

M-U-UNI-MA/tpfunctions documentation built on May 24, 2019, 7:37 a.m.