Stem and Tendril

For reporting purposes, it would be useful to get an indication of the number of people making use of these materials. Please drop a line to jverzani at gmail.com if you do We use them here at CSI, and despite there not being many new projects for awhile, there are still plans for some a few more.

The CI project uses many made up problems dealing with manufacturing and marketing iPods to illustrate confidence intervals for the population proportion and mean.

The data set crackers of Carolyn Cuff gives a theme to a new project that covers many of the basics of exploratory data analysis including numeric summaries of univariate data, graphical summaries of univariate data, correlation, fitting simple linear regression models, and data extraction by index and logical vectors (indicator variables).

In the stRmanual directory you can find some simplified help pages for some often used R commands. These are intended as an introduction to the functions, rather than as a replacement for R's own help system.

For information about the pedagogy of the Stem and Tendril project, look at the Pedagogy directory.

You can find links to useful documents in the Docs directory