Tools for Comparing Text Messages Across Time and Media


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Documentation for package ‘RNewsflow’ version 1.1.0

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create_queries (experimental) Automatically infer queries from combinations of terms in a dtm
delete.duplicates Delete duplicate (or similar) documents from a document term matrix
directed.network.plot A wrapper for plot.igraph for visualizing directed networks.
docnet Document similarity network for one news agency, and the print and online editions of two newspapers
document.network Create a document similarity network
document.network.plot Visualize (a subcomponent) of the document similarity network
documents.compare Compare the documents in two corpora/dtms
filter.window Filter edges from the document similarity network based on hour difference
hourdiff_range_thresholds Inspect effects of thresholds on matches over time
network.aggregate Aggregate the edges of a network by vertex attributes
newsflow.compare Compare the documents in a dtm with a sliding window over time
only.first.match Transform document network so that each document only matches the earliest dated matching document
rnewsflow_dfm quanteda dfm for RNewsflow vignette demo
show.window Show time window of document pairs
tcrossprod_sparse The tcrossprod function for sparse matrices, for people that like drowning in parameters
term.day.dist Calculate statistics for term occurence across days
term_char_sim Find terms with similar spelling
term_innovation Experimental: Convert dtm scores to a term innovation score, based on changes in term use over time
term_intersect Combine terms in a dtm
term_union Combine terms in a dtm