Doing simple stuff in R

Updated 2014 June 21st The very first time I tried to use R was back in 2005 when I wanted to perform a Wilcoxon test. I was migrating from microbiology into bioinformatics and I still remember trying to follow this guide: http://cran.r-project.org/doc/manuals/r-release/R-intro.html. All I managed to do was waste a lot of paper by printing...

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Building a classification tree in R

In week 6 of the Data Analysis course offered freely on Coursera, there was a lecture on building classification trees in R (also known as decision trees). I thoroughly enjoyed the lecture and here I reiterate what was taught, both to re-enforce my memory and for sharing purposes. I will jump straight into building a...

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