Posts Tagged ‘ data mining ’

Data Frames and Transactions

September 24, 2012
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Transactions are a very useful tool when dealing with data mining.  It provides a way to mine itemsets or rules on datasets. In R the data must be in transactions form.  If the data is only available in a data.frame then to create (or coerce) the data frame to transaction the researcher may use the

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Examples and resources on association rule mining with R

July 13, 2012
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Examples and resources on association rule mining with R

by Yanchang Zhao, RDataMining.com The technique of association rules is widely used for retail basket analysis, as well as in other applications to find assocations between itemsets and between sets of attribute-value pairs. It can also be used for classification … Continue reading →

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2nd CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

July 10, 2012
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2nd CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

The Tenth Australasian Data Mining Conference (AusDM 2012) Sydney, Australia, 5-7 December 2012 http://ausdm12.togaware.com/ The Australasian Data Mining Conference has established itself as the premier Australasian meeting for both practitioners and researchers in data mining. This year’s conference, AusDM’12, co-hosted … Continue reading →

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Data Mining In Excel: Lecture Notes and Cases

July 10, 2012
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Data Mining In Excel: Lecture Notes and Cases

by Yanchang Zhao, RDataMining.com It is a 270-page book on data mining with Excel. It can be downloaded as a PDF file at http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.83.1393&rep=rep1&type=pdf. Below is its table of contents. - Overview of the Data Mining Process - Data Exploration … Continue reading →

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A tutorial on outlier detection techniques

July 4, 2012
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A tutorial on outlier detection techniques

by Yanchang Zhao, RDataMining.com There is an excellent tutorial on outlier detection techniques, presented by Hans-Peter Kriegel et al. at ACM SIGKDD 2010. It presents many popular outlier detection algorithms, most of which were published between mid 1990s and 2010, … Continue reading →

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An example on sentiment analysis with R

June 21, 2012
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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>. 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

June 4, 2012
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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.pdf … Continue reading →

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CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

May 20, 2012
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CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

The Tenth Australasian Data Mining Conference (AusDM 2012) Sydney, Australia 5-7 December 2012 http://ausdm12.togaware.com/ Data mining, the art and science of intelligent analysis of (usually large) data sets for meaningful (and previously unknown) insights, is now being actively applied in … Continue reading →

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Book “R and Data Mining: Examples and Case Studies” on CRAN

May 9, 2012
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Book “R and Data Mining: Examples and Case Studies” on CRAN

by Yanchang Zhao, RDataMining.com My book in draft titled “R and Data Mining: Examples and Case Studies” is now available on CRAN at http://cran.r-project.org/other-docs.html. It is scheduled to be published by Elsevier in late 2012. Its latest version can be … Continue reading →

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2nd round of call for chapter proposals for book Data Mining Applications with R: due by 31 May

May 2, 2012
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2nd round of call for chapter proposals for book Data Mining Applications with R: due by 31 May

2nd CALL FOR CHAPTERS: proposals due by 31 May 2012 Data Mining Applications with R A book to be published by Elsevier http://www.RDataMining.com/books/book2 Introduction —————— R is one of the most widely used data mining tools in scientific and business … Continue reading →

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