olson: The Olson Heart Lung Dataset
In ACSWR: A Companion Package for the Book "A Course in Statistics with R"

Description Usage Format References Examples

We need to determine the effect of the number of revolutions per minute (rpm) of the rotary pump head of an Olson heart-lung pump on the fluid flow rate Liters_minute. The rpm's are replicated at 50, 75, 100, 125, and 150 levels with respective frequencies 5, 3, 5, 2, and 5. The fluid flow rate is measured in litters per minute.

1	data(olson)

A data frame with 20 observations on the following 4 variables.

Observation: observation number
rpm: rmp levels at 50, 75, 100, 125, and 150
Level: the rpm levels
Liters_minute: litters per minute

Dean, A., and Voss, D. (1999). Design and Analysis of Experiments. Springer.

data(olson)
par(mfrow=c(2,2))
plot(olson$rpm,olson$Liters_minute,xlim=c(25,175),xlab="RPM",
  ylab="Flow Rate",main="Scatter Plot")
boxplot(Liters_minute~rpm,data=olson,main="Box Plots")
aggregate(olson$Liters_minute,by=list(olson$rpm),mean)
olson_crd <- aov(Liters_minute ~ as.factor(rpm), data=olson)