diff.sento_measures {sentometrics} | R Documentation |
Differencing of sentiment measures
Description
Differences the sentiment measures from a sento_measures
object.
Usage
## S3 method for class 'sento_measures'
diff(x, lag = 1, differences = 1, ...)
Arguments
x |
a |
lag |
a |
differences |
a |
... |
not used. |
Value
A modified sento_measures
object, with the measures replaced by the differenced measures as well as updated
statistics.
Author(s)
Samuel Borms
Examples
data("usnews", package = "sentometrics")
data("list_lexicons", package = "sentometrics")
data("list_valence_shifters", package = "sentometrics")
# construct a sento_measures object to start with
corpus <- sento_corpus(corpusdf = usnews)
corpusSample <- quanteda::corpus_sample(corpus, size = 500)
l <- sento_lexicons(list_lexicons[c("LM_en", "HENRY_en")], list_valence_shifters[["en"]])
ctr <- ctr_agg(howTime = c("equal_weight", "linear"), by = "year", lag = 3)
sento_measures <- sento_measures(corpusSample, l, ctr)
# first-order difference sentiment measures with a lag of two
diffed <- diff(sento_measures, lag = 2, differences = 1)
[Package sentometrics version 1.0.0 Index]