ex0518: Fatty Acid

In Sleuth2: Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd Ed)"

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)

Example output

'data.frame':	30 obs. of  4 variables:
 $ Protein  : num  154 177 174 164 192 159 157 159 124 160 ...
 $ Treatment: Factor w/ 6 levels "Control","CPFA50",..: 2 2 2 3 3 3 4 4 4 5 ...
 $ Day      : Factor w/ 5 levels "Day1","Day2",..: 1 1 1 2 2 2 3 3 3 4 ...
 $ Group    : Factor w/ 10 levels "Group1","Group2",..: 1 1 1 2 2 2 3 3 3 4 ...

Sleuth2 documentation built on May 2, 2019, 7:01 a.m.