Monthly Archives: August 2011

Slides of 10+ talks at R Users Groups

Posted on August 29, 2011 by Yanchang Zhao

Links to slides of 10+ talks at R Users Groups in Australia are provided below. Slides of the talks are downloadable at the links, including R codes if any. MelbURN: Melbourne Users of R Network: Experiences with using R in … Continue reading →

Posted in Data Mining, R | 2 Comments

Examples on Clustering with R

Posted on August 26, 2011 by Yanchang Zhao

R code examples on various clustering techniques are available as “Clustering in R” in Chapter 4 of R & Bioconductor Manual by Thomas Girke, UC Riverside. It provides R examples on – Hierarchical Clustering, including tree cutting/coloring and heatmaps, – … Continue reading →

Posted in Data Mining, R | 5 Comments

Time Series Analysis and Mining with R

Posted on August 23, 2011 by Yanchang Zhao

Time series data are widely seen in analytics. Some examples are stock indexes/prices, currency exchange rates and electrocardiogram (ECG). Traditional time series analysis focuses on smoothing, decomposition and forecasting, and there are many R functions and packages available for those … Continue reading →

Posted in Data Mining, R | 33 Comments

R Code Examples on Graphics

Posted on August 16, 2011 by Yanchang Zhao

Some useful R code examples on  graphics are: Learn R Toolkit: It contains PowerPoint slideshows, videos, R scripts and data files to help Excel users move up to R. R code examples are provided for panel charts, conditional format, dot … Continue reading →

Posted in R | 4 Comments