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Content about R

April 26, 2010
How to do this graph using R

I am showing three examples that will help an average R user to create beautiful graphs. The interesting (may be useful) parts of these examples are the use of some very smart but tricky functions to, for example, add a Greek symbol on a plot, add a title to a plot with some mathematical symbols.

January 6, 2010
3d scatter plot using R

The other day I saw a three dimensional scatterplot in Montgomery's Regression book. I wanted to redraw the graph using the provided data. A simple google search revealed that there is a package

December 29, 2009
Emacs, LaTeX and ESS: Shortcuts for Beginners

A list of most frequently used Emacs keyboard shortcuts are given. Shortcuts for Emacs and also for ESS are listed. This file will be updated as I learn more about Emacs and ESS.

December 26, 2009
Using gedit or Rgedit with R

Recently I've made the switch from Windows Vista to Ubuntu Linux. After switching, the first thing I needed was an editor for R package. R is my favourite and most-used environment for statistical computing.

December 19, 2009
Data Data and Data

Statistics is all about dealing with information. And information is contained in data. In today's era of information, everything is data driven. From government to small business, even an individual makes decision based on data.