Support routines and data accompanying Brian Yandell's "Practical Data Analysis for Designed Experiments" (www.stat.wisc.edu/~yandell/pda) book organized as an R package. The web site http://www.stat.wisc.edu/~yandell/pda contains free information from Brian Yandell's (1997) book Practical Data Analysis for Designed Experiments. PDA was published in January 1997 by Chapman & Hall/CRC Press, ISBN 0-412-06341-7.
The project summary page you can find here.