R ggplot2 Plot Beats Excel Stacked Column Chart

In this post, I follow up on a previous post to show how Hadley Wickhams’s  R  package,  ggplot2, prepares a multipanel  plot as an alternative to the lattice package. The script was prepared by a skilled reader, Wayne.

Interesting Data Tools: Tinkerplots

There are many data analysis and charting tools that Excel users should check out to see what is available in the world outside Excel. I’ll be posting about interesting tools that I find and/or readers tell me about.  Here’s my first – Tinkerplots

R Works With Factors

In this post, I show how to create a factor variable  from categorical data and analyze the role of the factor and the decade using  conditional  boxplots  on time series data.

Showing Change Points in a Trend Chart with R

In this post, I show how to add change points to a trend chart with R. Readers can compare my R and Excel – VBA solutions for the same chart to compare R and Excel VBA charting programming.