Tag Archives: text mining

Short Course on R and Data Mining, University of Canberra, Fri 7 Oct 2016

Posted on September 20, 2016 by Yanchang Zhao

Short Course on R and Data Mining Information Technology and Engineering, University of Canberra Fees: There is no fees for the short course but seats are limited to 60 – so register early through http://www.meetup.com/CanberraDataSci/events/234168862/ Presenters: Dr Yanchang Zhao (Adjunct … Continue reading →

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Canberra Data Miners: Seminar on Text, Knowledge and Information Extraction, by Dr Lizhen Qu (NICTA), Canberra, 4:30-5:30pm, Tuesday 1 Sept

Posted on August 24, 2015 by Yanchang Zhao

Topic: Text, Knowledge, and Information Extraction Speaker: Dr. Lizhen Qu, Researcher at NICTA Organizer: Canberra Data miners Meetup Group Date and time: 4:30-5:30pm, Tuesday 1 Sept Location: Teal Room of Inspire Centre, University of Canberra, Building 25, University of Canberra, … Continue reading →

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Using Text Mining to Find Out What @RDataMining Tweets are About

Posted on November 9, 2011 by Yanchang Zhao

This post shows an example on text mining of Twitter data with R packages twitteR, tm and wordcloud. Package twitteR provides access to Twitter data, tm provides functions for text mining, and wordcloud visualizes the result with a word cloud. … Continue reading →

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Help: stemming and stem completion with package tm in R

Posted on November 4, 2011 by Yanchang Zhao

I came across a problem below when doing stemming and stem completion with package tm in R. Word “mining” was stemmed to “mine” with stemDocument(), and then completed to “miners”with stemCompletion(). However, I prefer to keep “mining” intact. For stemCompletion(), … Continue reading →

Posted in Data Mining, R | Tagged , | 2 Comments