The relationship between two variables can be visually represented using a scatter plot and will provide some insight into the correlation between the variables and possible models to describe the relationship. There are different ways to produce scatter plots in **R** making use of either the base graphics system, the **lattice** graphics library, **ggplot2** or other packages. Read the rest of this entry »

# Investigation the relationship between two variables using a scatter plot

October 13th, 2009# Book Review – Interactive and Dynamic Graphics for Data Analysis: With R and GGobi by Dianne Cook and Deborah F. Swayne (Springer 2007)

October 8th, 2009This book covers interactive graphics and their role in data analysis and covers the **GGobi** software package, which is an open source project for data visualisation, and the book is written by the two authors as well in addition to the **R** statistical environment. Read the rest of this entry »