Can't remember where I first came across this equation but the Tupper's self referential equation, is a very interesting formula that when graphed in two dimension plane it reproduces the formula.

\[ \frac{1}{2}

I first thought this would be...

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While preparing my slides for statistical graphics, a plot really caught my eye when I was playing around with the data.

I started off by plotting the time seriesof GNI per capita by country, and as expected it got quite messy and...

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Inspired by the post at http://giventhedata.blogspot.tw/2013/02/my-r-package-development-cheat-sheet.html. I have decided to publish my cheat script for package development as well.

Building package used to be a nightmare, filling in all those Rdfiles manually can cause some serious brain...

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Despite the fact that box plot is used almost every where and taught at undergraduate statistic classes, I recently had to re-learn the box plot in order to know how to label the outliers.

This stackoverflow post was where I found how...

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After 8 years of using R, today I finally become a contributor to the community and released my first package, FAOSTAT.