News

RDataMining Seminar at Australian Customs

posted Oct 29, 2014, 3:32 AM by Yanchang Zhao   [ updated Oct 29, 2014, 3:34 AM ]

I will give a seminar at Australian Customs and Border Protection Service on 30 Oct 2014, on association rule mining and classification with R. See seminar slides at Documents.

Invited Talk at Twitter in San Francisco, Friday 10 October

posted Oct 9, 2014, 7:39 AM by Yanchang Zhao   [ updated Oct 9, 2014, 7:41 AM ]

I will give a talk on R and Data Mining at Twitter in San Francisco, US on Friday 10 October. 

Invited Talk at Amazon in Seattle, 8 October

posted Sep 24, 2014, 7:22 PM by Yanchang Zhao   [ updated Sep 24, 2014, 7:24 PM ]

I will give a talk on R and Data Mining at Amazon in Seattle on 8 October, based on the RDataMining Slide Series. The topics of the talk include classification, text mining and association rule mining with R.

Keynote Talk at CONAIS 2014

posted Sep 18, 2014, 3:45 AM by Yanchang Zhao   [ updated Sep 18, 2014, 3:46 AM ]

I will give a keynote talk on Analysing Twitter Data with Text Mining and Social Network Analysis at CONAIS 2014 conference in Mexico in Oct. Prior to the conference, I will also deliver a one-day training on R and data mining at Universidad Juárez Autónoma de Tabasco (UJAT) in Mexico. The slides of the one-day training are available at "Documents" (see RDataMining Slides Series).

RDataMining Slides Series: Data Exploration and Visualisation, and Data Import/Export

posted Sep 13, 2014, 11:32 PM by Yanchang Zhao   [ updated Sep 13, 2014, 11:33 PM ]

Slides on Data Exploration and Visualisation, and Data Import/Export have been completed. They can be found under "Documents".

RDataMining Slides Series: association rules, clustering, text mining, time series analysis, regression and classification

posted Sep 11, 2014, 3:08 AM by Yanchang Zhao   [ updated Sep 13, 2014, 1:15 AM ]

I am making a series of slides on R and data mining, based on my book titled R and Data Mining -- Examples and Case Studies.

The completed slides on association rules, clustering, text mining, time series analysis, regression and classification can be found here. Comments and suggestions are welcome.

More slides will come soon. Keep tuned.

Big Data Platforms and Their Interfaces with R

posted Sep 4, 2014, 7:57 PM by Yanchang Zhao   [ updated Sep 4, 2014, 10:26 PM ]

See a list of big data platforms and their Interfaces with R at this page, incl. Hadoop, Spark, H2O, RHadoop, RHIPE and SparkR.

FAQs for book R and Data Mining: Examples and Case Studies

posted Aug 6, 2014, 1:49 PM by Yanchang Zhao   [ updated Aug 6, 2014, 1:49 PM ]

FAQs for book R and Data Mining: Examples and Case Studies are provided at this page. Answers to two questions below have been added:
  • Stem completion does not work in section 10.3 - stemming words
  • Error in converting into Boolean matrix for social network analysis in chapter 11.

Currency Exchange Rate Forecasting with ARIMA and STL

posted Jul 3, 2014, 1:18 PM by Yanchang Zhao   [ updated Aug 6, 2014, 1:51 PM ]

This is an example of time series forecasting with the ARIMA and STL models. Rmd and R source files are provided. Check it at this link.

Step-by-Step Guide to Setting Up an R-Hadoop System

posted May 30, 2014, 5:18 AM by Yanchang Zhao   [ updated Aug 6, 2014, 1:52 PM ]

R-Hadoop setup guide has been updated. See a newer version at Step-by-Step Guide to Setting Up an R-Hadoop System.

1-10 of 61