Blog Archives

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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An Example of Social Network Analysis with R using Package igraph

May 16, 2012
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An Example of Social Network Analysis with R using Package igraph

by Yanchang Zhao, RDataMining.com This post presents an example of social network analysis with R using package igraph. The data to analyze is Twitter text data of @RDataMining used in the example of Text Mining, and it can be downloaded … 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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A simple example of parallel computing on a Windows (and also Mac) machine

May 8, 2012
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A simple example of parallel computing on a Windows (and also Mac) machine

by Yanchang Zhao, RDataMining.com With a Mac, parallel computing can be achieved with package multicore. Unfortunately, it does not work under Windows. A simple way for parallel computing under Windows (and also Mac) is using package snowfall, which can work … Continue reading →

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Online resources for handling big data and parallel computing in R

May 6, 2012
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Online resources for handling big data and parallel computing in R

by Yanchang Zhao, RDataMining.com Compared with many other programming languages, such as C/C++ and Java, R is less efficient and consumes much more memory. Fortunately, there are some packages that enables parallel computing in R and also packages for processing … 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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R Tips: lots of tips for R programming

April 26, 2012
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R Tips: lots of tips for R programming

by Yanchang Zhao, RDataMining.com There are more than 100 R tips at http://pj.freefaculty.org/R/Rtips.html, which provide quick examples to small challenges in everyday R programming, especially for users switching from other languages to R. There is also a .PDF version for … Continue reading →

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Obama administration unveiled a Big Data Research and Development Initiative with $200 million

April 4, 2012
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Obama administration unveiled a Big Data Research and Development Initiative with $200 million

Yanchang Zhao, RDataMining.com Obama administration unveiled a Big Data Research and Development Initiative with $200 million on March 29, 2012, to improve the ability to extract knowledge and insights from large and complex collections of digital data. Six Federal departments … Continue reading →

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Social Network Analysis with R

March 27, 2012
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Social Network Analysis with R

By Yanchang Zhao, RDataMining.com If you have tried social network analysis or graph mining with R, you might have already come across package igraph before. The package is designed for graphs and network analysis in R. It can handle large … Continue reading →

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Call for chapters: Data Mining Applications with R

March 15, 2012
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Call for chapters: Data Mining Applications with R

Data Mining Applications with R A book to be published by Elsevier http://www.RDataMining.com/books/book2 Proposal Submission Deadline: April 30, 2012 Introduction R is one of the most widely used data mining tools in scientific and business applications, among dozens of commercial … Continue reading →

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