mildew {sm}

Mildew control

Description

The data refer to study of mildew control sponsored by Bainbridge, Jenkyn and Dyke at Rothamsted Experimental Station. There were four treatments, one of which was a control. There were 36 adjacent plots, with an extra plot at each end. Nine blocks were created by grouping the plots in fours.

The variables are:

t1, t2, t3	indicators of the four treatment groups
p1, ..., p8	indicators of the nine blocks
Yield	tons of grain per hectare

Draper & Guttman (1980). Incorporating overlap effects from neighbouring units into response surface models. Applied Statistics 29, 128-134.