Package: textreg 0.1.6

Luke Miratrix

textreg: n-Gram Text Regression, aka Concise Comparative Summarization

Function for sparse regression on raw text, regressing a labeling vector onto a feature space consisting of all possible phrases.

Authors:Luke Miratrix [aut, cre]

textreg_0.1.6.tar.gz
textreg_0.1.6.zip(r-4.7-x86_64)textreg_0.1.6.zip(r-4.7-arm64)textreg_0.1.6.zip(r-4.6-x86_64)textreg_0.1.6.zip(r-4.6-arm64)
textreg_0.1.6.tar.gz(r-4.7-arm64)textreg_0.1.6.tar.gz(r-4.7-x86_64)textreg_0.1.6.tar.gz(r-4.6-arm64)textreg_0.1.6.tar.gz(r-4.6-x86_64)
textreg_0.1.6.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION
card.svg |card.png
textreg/json (API)

# Install 'textreg' in R:

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

Uses libs:

c++– GNU Standard C++ Library v3

Datasets:

bathtub - Sample of cleaned OSHA accident summaries.
dirtyBathtub - Sample of raw-text OSHA accident summaries.
testCorpora - Some small, fake test corpora.

On CRAN:

This package does not link to any Github/Gitlab/R-forge repository. No issue tracker or development information is available.

cpp

3.60 score 1 stars 80 scripts 653 downloads 29 exports 8 dependencies

Last updated from:0caf4f12cd. Checks:8 WARNING, 2 OK. Indexed: yes.

Target	Result	Time
linux-devel-arm64	WARNING	175
linux-devel-x86_64	WARNING	151
source / vignettes	OK	193
linux-release-arm64	WARNING	177
linux-release-x86_64	WARNING	145
windows-devel-arm64	WARNING	259
windows-devel-x86_64	WARNING	132
windows-release-arm64	WARNING	259
windows-release-x86_64	WARNING	105
wasm-release	OK	166

Exports:calc.loss clean.text cluster.phrases convert.tm.to.character find.CV.C find.threshold.C grab.fragments is.fragment.sample is.textreg.corpus is.textreg.result list.table.chart make.appearance.matrix make.count.table make.CV.chart make.list.table make.path.matrix make.phrase.correlation.chart make.phrase.matrix make.similarity.matrix path.matrix.chart phrase.count phrase.matrix phrases refit.model reformat.textreg.model sample.fragments save.corpus.to.files stem.corpus textreg

Dependencies:BH cli NLP Rcpp rlang slam tm xml2

Using the textreg package

Rendered frombathtub_vignette.Rmdusingknitr::rmarkdown

Last update: 2018-10-04
Started: 2018-10-04

Citation

Readme and manuals

Help Manual

Help page	Topics
Sample of cleaned OSHA accident summaries.	bathtub
Calculate total loss of model (Squared hinge loss).	calc.loss
Clean text and get it ready for textreg.	clean.text
Cluster phrases based on similarity of appearance.	cluster.phrases
Convert tm corpus to vector of strings.	convert.tm.to.character
Sample of raw-text OSHA accident summaries.	dirtyBathtub
K-fold cross-validation to determine optimal tuning parameter	find.CV.C
Conduct permutation test on labeling to get null distribution of regularization parameter.	find.threshold.C
Grab all fragments in a corpus with given phrase.	grab.fragments
Is object a fragment.sample object?	fragment.sample is.fragment.sample
Is object a textreg.corpus object?	is.textreg.corpus textreg.corpus
Is object a textreg.result object?	is.textreg.result textreg.result
Graphic showing multiple word lists side-by-side.	list.table.chart
Convert phrases to appropriate search string.	make_search_phrases
Make phrase appearance matrix from textreg result.	make.appearance.matrix
Count number of times documents have a given phrase.	make.count.table
Plot K-fold cross validation curves	make.CV.chart
Collate multiple regression runs.	make.list.table
Generate matrix describing gradient descent path of textreg.	make.path.matrix
Generate visualization of phrase overlap.	make.phrase.correlation.chart
Make a table of where phrases appear in a corpus	make.phrase.matrix
Calculate similarity matrix for set of phrases.	make.similarity.matrix
Plot optimization path of textreg.	path.matrix.chart
Count phrase appearance.	phrase.count
Make matrix of where phrases appear in corpus.	phrase.matrix
Get the phrases from the textreg.result object?	phrases
Plot the sequence of features as they are introduced with the textreg gradient descent program.	plot.textreg.result
Predict labeling with the selected phrases.	predict.textreg.result
Pretty print results of phrase sampling object.	print.fragment.sample
Pretty print textreg corpus object	print.textreg.corpus
Pretty print results of textreg regression.	print.textreg.result
Refit the labels to the selected phrases to get non-shrunk predictions. (Uses logistic fit rather than linear, as well.)	refit.model
Clean up output from textreg.	reformat.textreg.model
Sample fragments of text to contextualize a phrase.	sample.fragments
Save corpus to text (and RData) file.	save.corpus.to.files
Step corpus with annotation.	stem.corpus
Some small, fake test corpora.	testCorpora
Sparse regression of labeling vector onto all phrases in a corpus.	textreg
Call gregexpr on the content of a tm Corpus.	tm_gregexpr

Package: textreg 0.1.6

textreg: n-Gram Text Regression, aka Concise Comparative Summarization

Citation

Readme and manuals

Help Manual

Usage by other packages (reverse dependencies)