R code examples for data mining are posted here. More examples on data mining with R can be found in my book "R and Data Mining: Examples and Case Studies", which is downloadable as a .PDF file at the link.

Data Exploration

• Exploration of Data
  

Decision Trees

• Building a Decision Tree with ctree in Package party
  

Clustering

• K-means Clustering
• Hierarchical Clustering

Outlier Detection

• Outlier Detection with the LOF Algorithm
  

Time Series Analysis

• Time Series Decomposition and Forecasting
  
• Time Series Clustering and Classification

Association Rules

• Association Rule Mining, Redundancy Pruning and Rule Visualization
  

Text Mining

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

Social Network Analysis

• Social Network Analysis with package igraph
  

Multidimensional Scaling (MDS)

• Multidimensional Scaling (MDS) with R

Parallel Computing

• A Simple Example of Parallel Computing on a Windows (and also Mac) Machine

More Examples

• See Other Examples page for more examples on data mining with R, incl. clustering, text mining, time series analysis, social network analysis and sentiment analysis.