Results from an experiment to compare yields (as measured by dried weight of plants) obtained under a control and two different treatment conditions.
A data frame of 30 cases on 3 variables.
[, 1]
weight
numeric
[, 2]
group
factor
The levels of group are ‘ctrl’, ‘trt1’, and ‘trt2’.
Source
Dobson, A. J. (1983) An Introduction to Statistical Modelling. London: Chapman and Hall.
Use the following R code to directly access this dataset in R.
