The heart.rate data frame has 36 rows and 3 columns.
It contains data for nine patients with congestive heart failure before
and shortly after administration of enalaprilat, in a balanced two-way
layout.
Usage
heart.rate
Arguments
Format
This data frame contains the following columns:
hr
a numeric vector, heart rate in beats per minute.
subj
a factor with levels
1 to 9.
time
a factor with levels
0 (before),
30,
60, and
120 (minutes after administration).