twoway (version 0.6.2)

drugs: Scores for 5 subjects after being given each of 4 drugs

Description

The original source is Winer (1971), p. 268. This was used as an example in Friendly (1991).

References

Friendly, M. (1991). SAS System for Statistical Graphics Cary, NC: SAS Institute, Output 7.28

Examples

# NOT RUN {
data(drugs)
twoway(drugs)
# }