R: Effect of a Hormone on Bird Calcium Levels

BirdCalcium

R Documentation

Effect of a Hormone on Bird Calcium Levels

Description

An experiment on the effects of a hormone on blood calcium levels in robins

Format

A data frame with 20 observations on the following 5 variables.

Bird: ID number for each bird (1 to 20)
Sex: female or male
Hormone: Treated with hormone (no or yes)
Group: Combined Sex and Hormone (F No, F Yes, M No, or M Yes)
Ca: Blood calcium level (mg per 100 ml)

Details

An experiment looked at the effects of treatment with a hormone for increasing the concentration of calcium in birds. Twenty birds (robins) were used in the study, ten male and ten female, equally divided between the hormone and no hormone treatments.

Source

Bliss, Chester (1970), Statistics in Biology, McGraw-Hill