Monthly Archives: June 2012

An example on sentiment analysis with R

by Yanchang Zhao, RDataMining.com There is a nice example on sentiment analysis with R at <http://viksalgorithms.blogspot.com.au/2012/06/tracking-us-sentiments-over-time-in.html&gt;. In the example, the Wikileaks cable corpus is analyzed to track US sentiments of other countries and their presidents over time. The example describes … Continue reading

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PDF slides and R code examples on Data Mining and Exploration

by Yanchang Zhao, RDataMining.com There are some nice slides and R code examples on Data Mining and Exploration at http://www.inf.ed.ac.uk/teaching/courses/dme/, which are listed below. PDF Slides: – Overview of Data Mining http://www.inf.ed.ac.uk/teaching/courses/dme/2012/slides/datamining_intro4up.pdf – Visualizing Data http://www.inf.ed.ac.uk/teaching/courses/dme/2012/slides/visualisation4up.pdf – Decision trees http://www.inf.ed.ac.uk/teaching/courses/dme/2012/slides/classification4up.pdfContinue reading

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