Stata is a popular statistical package for data analysis. This is one of the popular statistical packages that is being used by researchers and practitioners alike. In this article, we outline some of the essential components of data analysis with Stata. The article will be updated from time to time with more data analysis tools.
I am using xtable package of R to produce all the necessary codes for producing table suitable for LaTeX, and also discussing how to export the codes to a tex file.
It is possible to animate a R plot and this plot can also be exported to a LaTeX document with all its animations intact. Adding this animated plot to a PowerPoint slide or save it as a flash movie file (that you can upload to YouTube) is also possible. In this article I will try to show how these can be done by some simple functions.
In this article I discuss about installing softwares for Ubuntu even if you have slow or no Internet connection. Keryx software is useful in offline software installation in Ubuntu. In particular, I will show step by step how to install R in Ubuntu using Keryx.
In this article I will discuss about how to create three dimensional scatter plots using rgl package of R. We can rotate these three dimensional plots using mouse, zoom in or out by mouse scroll wheel and even can play some beautiful animations.
In this article I am trying to show how to produce bar plots using R. Many of my friends think SPSS is the most useful software for producing plots and they keep using it (some of them even use Excel!).
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.
GRE is NOT an English proficiency test like ielts / toefl: its a graduate admission measurement test (measures verbal reasoning, quantitative reasoning, critical thinking, and analytical writing skills), based on which scholarship is determined, especially in U.S. universities. Check the official site for general overview.
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.
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.
There are probably millions of pages of instructions available to install LaTeX on an Windows machine. Still, I am writing another one because I always find people around me who needs help in installing the packages.
The Canadian education system encompasses both publicly-funded and private universities. Education institutions are not officially ranked in Canada, as all Canadian educational institutions offer high quality
Here is an encouraging post in New York Times newspaper about the prospect of statistics as a subject matter that will dominate the world in the coming years.
Probability distribution is central to anything that you might think about statistics. There are many terms in statistics which are not readily understandable when you hear them for the first time.
Statisticians help determine the sampling and data collection methods, monitor the execution of the study and the processing of data, and advise on the strengths and limitations of the results.
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