JSTOR_MALLET_topicsovertime: Plot the changes in topic proportions over time
Description
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/).
Usage
JSTOR_MALLET_topicsovertime(x, topics = 1:56)
Arguments
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.
Value
Returns a plot of topics over time and a list of dataframes of the topic proportions per document for further analysis.