Update sentiment measures

Updates a sento_measures object based on a new sento_corpus provided. Sentiment for the unseen corpus texts calculated and aggregated applying the control variables from the input sento_measures object.

measures_update(sento_measures, sento_corpus, lexicons)

Arguments

sento_measures

sento_measures object created with sento_measures

sento_corpus

a sento_corpus object created with sento_corpus.

lexicons

a sento_lexicons object created with sento_lexicons.

Value

An updated sento_measures object.

See also

sento_measures, compute_sentiment

Author

Jeroen Van Pelt, Samuel Borms, Andres Algaba

Examples

data("usnews", package = "sentometrics")

corpus1 <- sento_corpus(usnews[1:500, ])
corpus2 <- sento_corpus(usnews[400:2000, ])

ctr <- ctr_agg(howTime = "linear", by = "year", lag = 3)
l <- sento_lexicons(list_lexicons[c("LM_en", "HENRY_en")],
                    list_valence_shifters[["en"]])
sento_measures <- sento_measures(corpus1, l, ctr)
sento_measuresNew <- measures_update(sento_measures, corpus2, l)