ex0518 {Sleuth2}

Fatty Acid

Description

A randomized experiment was performed to estimate the effect of a certain fatty acid CPFA on the level of a certain protein in rat livers.

Usage

ex0518

Format

A data frame with 30 observations on the following 4 variables.

Protein

levels of protein (x 10) found in rat livers

Treatment

a factor with levels "Control", "CPFA50", "CPFA150", "CPFA300", "CPFA450" and "CPFA600"

Day

a factor with levels "Day1", "Day2", "Day3", "Day4" and "Day5"

Group

a factor with levels "Group1", "Group2", ..., "Group10"; the observed levels of the Treatment and Day interaction

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

Examples

str(ex0518)