There are a number of good open source projects for statistics and data mining, for example the software WEKA developed at the University of Waikato. Read the rest of this entry »
Data Mining with WEKA
January 30th, 2011Gapminder
January 6th, 2011As many people are aware Hans Rosling is an enthusiastic swedish academic with a passion for statistics who recently presented the program The Joy of Stats. One of the great things about Hans Rosling is his presentations and the interactive graphics that he uses to make his points. Read the rest of this entry »
LaTeX Typesetting – Tables
January 2nd, 2011One area of LaTeX that is not always straightforward is producing tabular material. In this post we will look at some of the basics of creating tables in a LaTeX document. Read the rest of this entry »
LaTeX Typesetting – Document Structure
December 10th, 2010Following on from the initial post about creating a document using LaTeX we need to consider the structure of the document, i.e. headings and page layout. Read the rest of this entry »
Programming with R – Processing Football League Data Part II
December 3rd, 2010Following on from the previous post about creating a football result processing function for data from the football-data.co.uk website we will add code to the function to generate a league table based on the results to date. Read the rest of this entry »
LaTeX Typesetting – Basics
November 28th, 2010The 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 – Checking Data Types
November 13th, 2010There 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 – Checking Function Arguments
October 25th, 2010In a previous post we considered writing a simple function to calculate the volume of a cylinder by specifying the height and radius of the cylinder. The function did not have any checking of the validity of the function arguments which we will consider in this post. Read the rest of this entry »
