# G. Jay Kerns

#### 4 packages on CRAN

An introductory probability and statistics textbook, alongside other supplementary materials. The book is released under the GNU Free Documentation License.

A framework for performing elementary probability calculations on finite sample spaces, which may be represented by data frames or lists. Functionality includes setting up sample spaces, counting tools, defining probability spaces, performing set algebra, calculating probability and conditional probability, tools for simulation and checking the law of large numbers, adding random variables, and finding marginal distributions. Characteristic functions for all base R distributions are included.

Provides an R Commander plugin that accompanies IPSUR, an Introduction to Probability and Statistics Using R.

A platform-independent basic-statistics GUI (graphical user interface) for R, based on the tcltk package.