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 ExplorationDecision TreesClusteringOutlier Detection
Time Series Analysis

Examples
Subpages (17):
Association Rules
Data Exploration
Decision Trees
Hierarchical Clustering
kmeans Clustering
Multidimensional Scaling (MDS)
Other Examples
Outlier Detection
Parallel Computing
Principal Component Analysis (PCA)
Random Forest
Social Network Analysis
Text Mining
Time Series Analysis
Time Series Clustering and Classification
Time Series Forecasting
Twitter Follower Map