fake.trypsin {ISwR} | R Documentation |
The trypsin
data frame has 271 rows and 3 columns.
Serum levels of immunoreactive trypsin in healthy volunteers (faked!).
This data frame contains the following columns:
1
: age 1019,
2
: age 2029,
3
: age 3039,
4
: age 4049,
5
: age 5059, and
6
: age 6069.
Data have been simulated to match given group means and SD.
D.G. Altman (1991), Practical Statistics for Medical Research, Table 9.12, Chapman & Hall.
data(fake.trypsin) plot(trypsin~grp, data=fake.trypsin)