Package: tosca 0.3-4

Lars Koppers

tosca: Tools for Statistical Content Analysis

A framework for statistical analysis in content analysis. In addition to a pipeline for preprocessing text corpora and linking to the latent Dirichlet allocation from the 'lda' package, plots are offered for the descriptive analysis of text corpora and topic models. In addition, an implementation of Chang's intruder words and intruder topics is provided. Sample data for the vignette is included in the toscaData package, which is available on gitHub: <https://github.com/Docma-TU/toscaData>.

Authors:Lars Koppers [aut, cre], Jonas Rieger [aut], Karin Boczek [ctb], Gerret von Nordheim [ctb]

tosca_0.3-4.tar.gz
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manual.pdf |manual.html✨
DESCRIPTION
card.svg |card.png
tosca/json (API)

# Install 'tosca' in R:

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

Bug tracker:https://github.com/docma-tu/tosca/issues

On CRAN:

6.86 score 17 stars 1 packages 95 scripts 315 downloads 51 exports 42 dependencies

Last updated from:1b7601ae4b. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	180
source / vignettes	OK	260
linux-release-x86_64	OK	181
macos-release-arm64	OK	205
macos-oldrel-arm64	OK	178
windows-devel	OK	138
windows-release	OK	194
windows-oldrel	OK	209
wasm-release	OK	147

Exports:as.corpus.textmeta as.meta as.textmeta.corpus cleanTexts clusterTopics deleteAndRenameDuplicates duplist filterCount filterDate filterID filterWord importance intruderTopics intruderWords is.duplist is.textmeta is.textmeta_tidy LDAgen LDAprep makeWordlist mergeLDA mergeTextmeta plotArea plotFreq plotHeat plotScot plotTopic plotTopicWord plotWordpt plotWordSub precision readTextmeta readTextmeta.df readWhatsApp readWiki readWikinews recall removeHTML removeUmlauts removeXML sampling showMeta showTexts textmeta tidy.textmeta topicCoherence topicsInText topTexts topWords vprecision vrecall

Dependencies:askpass base64enc BH cli cpp11 curl data.table digest fastmap fastmatch generics glue htmltools httr ISOcodes jsonlite lattice lda lifecycle lubridate magrittr Matrix mime NLP openssl quanteda R6 RColorBrewer Rcpp rlang slam SnowballC stopwords stringi stringr sys timechange tm vctrs WikipediR xml2 yaml

tosca: Tools for Statistical Content Analysis

Rendered fromVignette.Rmdusingknitr::rmarkdown

Last update: 2021-04-18
Started: 2018-08-30

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Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Transform textmeta to corpus	as.corpus.textmeta
"meta" Component of "textmeta"-Objects	as.meta
Transform corpus to textmeta	as.textmeta.corpus
Data Preprocessing	cleanTexts
Cluster Analysis	clusterTopics
Deletes and Renames Articles with the same ID	deleteAndRenameDuplicates
Creating List of Duplicates	duplist is.duplist print.duplist summary.duplist
Subcorpus With Count Filter	filterCount filterCount.default filterCount.textmeta
Subcorpus With Date Filter	filterDate filterDate.default filterDate.textmeta
Subcorpus With ID Filter	filterID filterID.default filterID.textmeta
Subcorpus With Word Filter	filterWord filterWord.default filterWord.textmeta
Function to validate the fit of the LDA model	intruderTopics
Function to validate the fit of the LDA model	intruderWords
Function to fit LDA model	LDAgen
Create Lda-ready Dataset	LDAprep
Counts Words in Text Corpora	makeWordlist
Preparation of Different LDAs For Clustering	mergeLDA
Merge Textmeta Objects	mergeTextmeta
Plotting topics over time as stacked areas below plotted lines.	plotArea
Plotting Counts of specified Wordgroups over Time (relative to Corpus)	plotFreq
Plotting Topics over Time relative to Corpus	plotHeat
Plots Counts of Documents or Words over Time (relative to Corpus)	plotScot
Plotting Counts of Topics over Time (Relative to Corpus)	plotTopic
Plotting Counts of Topics-Words-Combination over Time (Relative to Words)	plotTopicWord
Plots Counts of Topics-Words-Combination over Time (Relative to Topics)	plotWordpt
Plotting Counts/Proportion of Words/Docs in LDA-generated Topic-Subcorpora over Time	plotWordSub
Precision and Recall	precision recall vprecision vrecall
Read Corpora as CSV	readTextmeta readTextmeta.df
Read WhatsApp files	readWhatsApp
Read Pages from Wikipedia	readWiki
Read files from Wikinews	readWikinews
Removes XML/HTML Tags and Umlauts	removeHTML removeUmlauts removeXML
Sample Texts	sampling
Export Readable Meta-Data of Articles.	showMeta
Exports Readable Text Lists	showTexts
"textmeta"-Objects	is.textmeta plot.textmeta print.textmeta summary.textmeta textmeta
Transform textmeta to an object with tidy text data	is.textmeta_tidy print.textmeta_tidy tidy.textmeta
Calculating Topic Coherence	topicCoherence
Coloring the words of a text corresponding to topic allocation	topicsInText
Get The IDs Of The Most Representive Texts	topTexts
Top Words per Topic	importance topWords

Package: tosca 0.3-4

tosca: Tools for Statistical Content Analysis

Citation

Development and contributors

Readme and manuals

Help Manual

Usage by other packages (reverse dependencies)