tartar {isdals}

Tartar for dogs

Description

A dog experiment was carried out in order to examine the effect of two treatments on the development of tartar. Apart from the two treatment groups there was also a control group. Twenty-six dogs were used and allocated to one of the three groups. After four weeks each dog was examined, and the development of tartar was summarized by an index.

Usage

data(tartar)

Format

A data frame with 26 observations on the following 2 variables.

treat

treatment. A factor with levels Control HMP P2O7

index

a numeric vector with the tartar index

Examples

data(tartar)