Package: wordmap 0.9.0

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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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:

7 exports 2 stars 2.13 score 39 dependencies 1 scripts 742 downloads

Last updated 2 months agofrom:a5db2dd4d6. Checks:OK: 1 NOTE: 6. Indexed: yes.

Target	Result	Date
Doc / Vignettes	OK	Sep 12 2024
R-4.5-win	NOTE	Sep 12 2024
R-4.5-linux	NOTE	Sep 12 2024
R-4.4-win	NOTE	Sep 12 2024
R-4.4-mac	NOTE	Sep 12 2024
R-4.3-win	NOTE	Sep 12 2024
R-4.3-mac	NOTE	Sep 12 2024

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

Dependencies:cli colorspace fansi farver fastmatch ggplot2 ggrepel glue gtable isoband ISOcodes jsonlite labeling lattice lifecycle magrittr MASS Matrix mgcv munsell nlme pillar pkgconfig quanteda R6 RColorBrewer Rcpp rlang scales SnowballC stopwords stringi tibble utf8 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