Description Usage Arguments Value Author(s) Examples
Generates plots and data frames showing changes in topic proportions over time. For use with JSTOR's Data for Research datasets (http://dfr.jstor.org/).
1 | JSTOR_MALLET_topicsovertime(x, topics = 1:56)
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x |
the object returned by the function JSTOR_unpack1grams. |
topics |
a range of topic numbers to plot, Default is 1 to 56 (ie. the first 56 topics in the model). A mimimum of two topics must be specified. |
Returns a plot of topics over time and a list of dataframes of the topic proportions per document for further analysis.
Ben Marwick with substantial contributions from Andrew Goldstone
1 | ## tot <- JSTOR_MALLET_topicsovertime(x = unpack1grams, topics = 10:20)
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