topic.coherence: topic.coherence

In bvidgen/RPackage: Big Data Analytics functions

Description

Calculates topic coherence for each topic in a topic model. Uses the implementation put forward by Mimno et al. (2011) - Note, this directly uses the code in the package 'SpeedyReader'

Usage

topic.coherence(ldaOut, dtm, n.terms)

Arguments

ldaOut	fitted topic model
dtm	document term matrix for the fitted topic model
n.terms	The number of terms in each topic to calculate topic coherence on

Value

vector of topic coherence scores (same length as the number of topics in the model)

bvidgen/RPackage documentation built on May 13, 2019, 9:04 a.m.