energy function

Energy expenditure

The energy data frame has 22 rows and 2 columns. It contains data on the energy expenditure in groups of lean and obese women.

energy

Format

This data frame contains the following columns:

• expend: a numeric vector, 24 hour energy expenditure (MJ).
• stature: a factor with levels lean and obese.

Source

D.G. Altman (1991), Practical Statistics for Medical Research, Table 9.4, Chapman & Hall.

Examples

plot(expend~stature,data=energy)