Tikz Paths and Decorations

March 17th, 2012

The tikz drawing system can be used to draw basic solid black lines and simple shapes which can reasonably easily be adjusted to allow alternative patterns and decorations. Read the rest of this entry »

Useful functions for data frames in R

February 17th, 2012

This post will consider some useful functions for dealing with data frames during data processing and validation. Read the rest of this entry »

Surfaces in ternary plots

January 31st, 2012

In mixture experiments there is a constraint that the variables are the proportions of components that are mixed together with the consequence that these proportions sum to one. When fitting regression models to data from mixture experiments we may be interested in reprenting the fitted model with a surface plot. Read the rest of this entry »

A3 pages in LaTeX documents

December 2nd, 2011

The default paper sizes in LaTeX documents tend to be A4 or letter paper. If we want to use other page and paper sizes the geometry package is a handy way to make these changes. Read the rest of this entry »

Tikz absolute positioning

November 20th, 2011

When working with a tikz drawing within LaTeX document we might want to locate an object using an absolute position on the page rather than leaving LaTeX to make the decision for us. Read the rest of this entry »

Tikz Nodes

October 17th, 2011

Nodes are used in tikz to place content in a picture as part of a LaTeX document. Read the rest of this entry »

Tikz Introduction

September 27th, 2011

The pgf drawing package for LaTeX provides facilities for drawing simple of complicated pictures within a LaTeX document. There are many options available within the package and in this post we consider some of the basics to get up and running. Read the rest of this entry »

Cricket All Round Performances

September 19th, 2011

In cricket a player who can perform well with both the bat and bowl is a great asset for any team and across the history of international cricket there have been a number of cricketers that hall into this bracket. Read the rest of this entry »

Colours in R

September 19th, 2011

There is a handy webpage which provides a chart of colours available in R. The chart is also available in pdf from the webpage.

Scatter plots with images

September 4th, 2011

Edward Tufte has written extensively on the presentation of data covering good and bad practice. He has made a number of suggestions for adaptations of regularly used graph types to assist with the interpretation and understanding of data. Read the rest of this entry »

Statistics Books