LaTeX Typesetting – Basics

November 28th, 2010

The LaTeX typesetting is used to create professional looking documents on a home computer. It may have a steeper learning curve than using a Word Processor, but this initial effort will often pay off reasonably quickly. The system is almost a necessity for anyone writing documents with a large amount of mathematics as most alternatives are painful to use efficiently. Read the rest of this entry »

Programming with R – Processing Football League Data Part I

November 23rd, 2010

In this post we will make use of football results data from the website to demonstrate creating functions in R to automate a series of standard operations that would be required for results data from various leagues and divisions. Read the rest of this entry »

Programming with R – Checking Data Types

November 13th, 2010

There are a number of useful functions in R that test the variable type or convert between different variable types. These can be used to validate function input to ensure that sensible answers are returned from a function or to ensure that the function doesn’t fail. Read the rest of this entry »

Programming with R – Returning Information as a List

November 2nd, 2010

In previous posts (here and here) we created a simple function that returns a single numeric value. In some situations it may be more useful to return a more flexible data type, such as a list object, to provide more information about the calculations that have been performed. Read the rest of this entry »