Calculate Score Words
A primarily internal function for calculating words according to the score metric. We expect most users will use labelTopics
instead.
calcscore(logbeta)
logbeta
: a K by V matrix containing the log probabilities of seeing word v conditional on topic kScore is a metric which we include because it is used effectively in the lda
package by Jonathan Chang. It is calculated as:
Jonathan Chang (2015). lda: Collapsed Gibbs Sampling Methods for Topic Models. R package version 1.4.2. https://CRAN.R-project.org/package=lda
labelTopics