Dataset:  diet.dat

Source: M.L. Dansinger, J.A. Gleason, J.L. Griffith, H.P. Selker,
E.J. Schaefer (2005). "Comparison of the Atkins, Ornish, Weight
Watchers and Zone Diets for Weight Loss and Heart Disease Reduction",
JAMA, Vol. 293 #1 pp43-53

Description: Weight loss statistics for 4 diet plans based on 2
analyses: Intention to Treat with 0's for drop-outs and those
completing protocol (1-year).

Variables/Columns
Analysis  1-4
Diet  7-22
Sample Size  24-25
Mean   27-30
Std Dev   33-36