Package: wordmap 0.9.5

wordmap: Feature Extraction and Document Classification with Noisy Labels

Extract features and classify documents with noisy labels given by document-meta data or keyword matching Watanabe & Zhou (2020) <doi:10.1177/0894439320907027>.

Authors:Kohei Watanabe [aut, cre, cph]

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manual.pdf |manual.html✨
card.svg |card.png
wordmap/json (API)
NEWS

# Install 'wordmap' in R:

install.packages('wordmap', repos = c('https://koheiw.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/koheiw/wordmap/issues

Datasets:

data_corpus_ungd2017 - UN General Debate speeches from 2017
data_dictionary_topic - Seed topic dictionary

On CRAN:

4.68 score 4 stars 1 scripts 187 downloads 7 exports 31 dependencies

Last updated from:b42224efa2. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	165
source / vignettes	OK	167
linux-release-x86_64	OK	163
macos-release-arm64	OK	133
macos-oldrel-arm64	OK	146
windows-devel	OK	115
windows-release	OK	132
windows-oldrel	OK	124
wasm-release	OK	106

Exports:accuracy afe as.coefficients_textmodel as.statistics_textmodel as.summary.textmodel textmodel_wordmap textplot_terms

Dependencies:cli cpp11 farver fastmatch ggplot2 ggrepel glue gtable isoband ISOcodes jsonlite labeling lattice lifecycle magrittr Matrix quanteda R6 RColorBrewer Rcpp rlang S7 scales SnowballC stopwords stringi vctrs viridisLite withr xml2 yaml

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Evaluate classification accuracy in precision and recall	accuracy summary.textmodel_wordmap_accuracy
Compute Average Feature Entropy (AFE)	afe
Create lexicon from a Wordmap model	as.dictionary.textmodel_wordmap as.list.textmodel_wordmap
Extract coefficients from a Wordmap model	coef.textmodel_wordmap coefficients.textmodel_wordmap
UN General Debate speeches from 2017	data_corpus_ungd2017
Seed topic dictionary	data_dictionary_topic
Predict the most likely class of documents	predict.textmodel_wordmap
A model for multinomial feature extraction and document classification	textmodel_wordmap
Plot coefficients of words	textplot_terms