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textreg
textreg CRAN package
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Version
0.1.5
0.1.4
0.1.3
0.1.2
0.1.1
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Install
install.packages('textreg')
Monthly Downloads
630
Version
0.1.5
License
MIT + file LICENSE
Maintainer
Luke Miratrix
Last Published
October 4th, 2018
Functions in textreg (0.1.5)
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make.path.matrix
Generate matrix describing gradient descent path of textreg.
cpp_textreg
Driver function for the C++ function.
make.count.table
Count number of times documents have a given phrase.
make.list.table
Collate multiple regression runs.
make_search_phrases
Convert phrases to appropriate search string.
path.matrix.chart
Plot optimization path of textreg.
textreg-package
Sparse regression package for text that allows for multiple word phrases.
convert.tm.to.character
Convert tm corpus to vector of strings.
testCorpora
Some small, fake test corpora.
textreg
Sparse regression of labeling vector onto all phrases in a corpus.
find.threshold.C
Conduct permutation test on labeling to get null distribution of regularization parameter.
tm_gregexpr
Call gregexpr on the content of a tm Corpus.
grab.fragments
Grab all fragments in a corpus with given phrase.
calc.loss
Calculate total loss of model (Squared hinge loss).
clean.text
Clean text and get it ready for textreg.
make.CV.chart
Plot K-fold cross validation curves
phrase.count
Count phrase appearance.
bathtub
Sample of cleaned OSHA accident summaries.
phrases
Get the phrases from the textreg.result object?
plot.textreg.result
Plot the sequence of features as they are introduced with the textreg gradient descent program.
phrase.matrix
Make matrix of where phrases appear in corpus.
sample.fragments
Sample fragments of text to contextualize a phrase.
reformat.textreg.model
Clean up output from textreg.
make.appearance.matrix
Make phrase appearance matrix from textreg result.
make.phrase.matrix
Make a table of where phrases appear in a corpus
predict.textreg.result
Predict labeling with the selected phrases.
print.textreg.corpus
Pretty print textreg corpus object
make.similarity.matrix
Calculate similarity matrix for set of phrases.
build.corpus
Build a corpus that can be used in the textreg call.
print.textreg.result
Pretty print results of textreg regression.
is.textreg.result
Is object a textreg.result object?
print.fragment.sample
Pretty print results of phrase sampling object.
list.table.chart
Graphic showing multiple word lists side-by-side.
find.CV.C
K-fold cross-validation to determine optimal tuning parameter
cluster.phrases
Cluster phrases based on similarity of appearance.
is.fragment.sample
Is object a fragment.sample object?
is.textreg.corpus
Is object a textreg.corpus object?
dirtyBathtub
Sample of raw-text OSHA accident summaries.
cpp_build.corpus
Driver function for the C++ function.
save.corpus.to.files
Save corpus to text (and RData) file.
stem.corpus
Step corpus with annotation.
make.phrase.correlation.chart
Generate visualization of phrase overlap.