This is a new version of another question posted, now with a reproducible example. I am trying to convert a document-feature-matrix from 29117 Tweets to a data frame in R, but get the error "Erro...

I'm trying to use the packages quanteda and caret together to classify text based on a trained sample. As a test run, I wanted to compare the build-in naive bayes classifier of quanteda with the on...

My team is doing some topic modeling on medium-sized chunks of text (tens of thousands of words), using the Quanteda package in R. I'd like to reduce words to word stems before the topic modeling p...

I am trying to work on tf-idf weighted corpus (where I expect tf to be a proportion by document rather than simple count). I would expect the same values to be returned by all the classic text mini...

Since there is no ready implementation of stopwords for Polish in quanteda, I would like to use my own list. I have it in a text file as a list separated by spaces. If need be, I can also prepare a...

The removeCommonTerms function is found here for the TM package such that removeCommonTerms <- function (x, pct) { stopifnot(inherits(x, c("DocumentTermMatrix", "TermDocumentMatrix")), is.n...

I am trying to create a matrix mulptiplication with sparse matrix and with the package called quanteda, utilising data.table package, related to this thread here. So require(quanteda) mytext &l...