Blog Archives

Plotting World Bank Data with R

June 8, 2010
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Plotting World Bank Data with R

Copy and paste the code listed in this post below, and you can create a plot of World Bank data using R with a call like the following:plotWorldBank('USA','NY.GDP.MKTP.KD.ZG')There is a wealth of economic and demographic available at the World Bank. ...

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Ruby Script to parse ISBNs listed in R-Project to populate an Amazon

June 7, 2010
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Ruby Script to parse ISBNs listed in  R-Project to populate an Amazon

As you probably figured out, I am an Amazon affiliate and have been giving some thought to how to get the best lists of R books available at Amazon. To get the list of ISBNs from R-Project, the following Ruby script did the trick:require 'rubygems'req...

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The 1000 most-visited sites analyzed using R

June 5, 2010
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The 1000 most-visited sites analyzed using R

Ever wondered about which Computer and Electronics web sites get the most Page Views? Based upon data recently published by Google:The R program to create this graph is as follows:library(XML)# URL for the Google Datau="http://www.google.com/adplanner...

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Free Online Statistics Books

June 5, 2010
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Free Online Statistics Books

Sources as varied as Google's Chief Economist Hal Varian and threatening online personalty (offensive language warning) Zed Shaw have recognized a growing need for professionals with solid statistical skills to meet the technical challenges facing the ...

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“Programming with Data – a Guide to the S Language” by John Chambers

June 5, 2010
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“Programming with Data – a Guide to the S Language” by John Chambers

Another unashamedly subjective book review - but first a little more about my history as it relates to R...A few years ago, I was doing some systems administration work at an industrial company for whom IT was a cost center. I wanted to illustrate to...

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GUI chart formatting with playwith

June 4, 2010
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GUI chart formatting with playwith

There are a huge number of plots, annotations and parameters available in R for constructing charts and graphics. While looking through the R Programming wikibook I noticed a reference to a library called playwith. It provides a GUI that allows you ...

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Introductory Statistics with R

June 3, 2010
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Introductory Statistics with R

I am in the process of reading several books on R, S or statistics. I can't say that I have completed any of these - at least to the depth that I would like to... but I have found them helpful up to this point in various ways. I'll add to these book...

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RODM: An R package for Oracle Data Mining

June 2, 2010
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RODM: An R package for Oracle Data Mining

The folks at Oracle have announced an R package that provides an interface to the Oracle Data Mining option of their 11g database . See more at this Oracle blog.

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Color Palettes in R

June 2, 2010
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Color Palettes in R

The simplest versions of plots use color rather sparingly. For instance, consider this simple bar chart:n=seq(1:12)barplot(n)Not exactly the most colorful thing you've ever seen eh?R provides standard color palettes comprised of vectors containing a s...

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Source Code Files in R

May 29, 2010
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Source Code Files in R

R's interactive programming style is similar to what I have seen in other environments (e.g. ruby's irb and Oracle's SQL*Plus, etc). There are a few commands that you need to be aware of to get up and running with developing R programs.To identify yo...

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