October 2015
Beginner to intermediate
168 pages
4h 11m
English
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Exercises
- For the Reuter_50_50 dataset, fit the LDA model using the
lda.collapsed.gibbs.samplerfunction in the lda package and compare performance with that of the topicmodels package. Note that you need to convert the document-term matrix to lda format using thedtm2ldaformat( )function in the topicmodels package in order to use the lda package.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.