fake.trypsin {ISwR} | R Documentation |
The trypsin
data frame has 271 rows and 3 columns.
Serum levels of immunoreactive trypsin in healthy volunteers (faked!).
fake.trypsin
This data frame contains the following columns:
trypsin
grp
grpf
1
: age 10–19,
2
: age 20–29,
3
: age 30–39,
4
: age 40–49,
5
: age 50–59, and
6
: age 60–69.
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.
plot(trypsin~grp, data=fake.trypsin)