Articles by ronan

How to draw a curve() with ggplot2

June 3, 2012 | ronan

ggplot2 improves the graphics drawn with R. A (very) short adaptation time is needed to find how to make graphs equivalent to the ones of graphics. For example, to draw the curve of a function, there is no function similar to curve(). You have to use qplot() by setting the ... [Read more...]

How to plot lattice and ggplot2 graphs with FastRWeb

April 10, 2012 | ronan

With print() If you are an advanced R user, you probably know the lattice and the ggplot2 packages. They allow you to plot elegant graphics with less code (Hocking, 2009 and Sueur, 2010). If you know these two packages, you should hardly use plot() for your graphs. If you read my article ... [Read more...]

How to convert contingency tables to data frames with R

March 14, 2012 | ronan

I wanted to write contingency tables in HTML with hwrite(). I realized that the method hwrite() does not exist for the table objects. I could use, but the table produced is non-intuitive. I did a search on R-bloggers and I quickly found the solution to my problem: ... [Read more...]

A Direct Marketing In-flight Forecasting System

February 29, 2012 | ronan

This is an edited version of A Direct Marketing In-flight Forecasting System. The original article was written by Shannon Terry and Ben Ogorekm, Nationwide Insurrance, in order to enter the “Applications of R in Business” contest organised by Revolution Analytics. This is the winning entry of the contest. I added ... [Read more...]

Setting up FastRWeb on Mac OS X

February 23, 2012 | ronan

FastRWeb is an infrastructure that allows any webserver to use R scripts for generating dynamic content, such as web pages and graphics. In this post, you’ll learn how to install and set up FastRWeb on a Mac. This tutorial is expendable to any Unix-like operating system. It is an ... [Read more...]

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