Sleuth2: case0901 – R documentation

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case0901

Effects of Light on Meadowfoam Flowering

Description

Meadowfoam is a small plant found growing in moist meadows of the US Pacific Northwest. Researchers reported the results from one study in a series designed to find out how to elevate meadowfoam production to a profitable crop. In a controlled growth chamber, they focused on the effects of two light–related factors: light intensity and the timeing of the onset of the ligth treatment.

Usage

case0901

Format

A data frame with 24 observations on the following 3 variables.

Flowers: average number of flowers per meadowfoam plant
Time: time light intensity regiments started
Intens: light intensity (in mumol/m^2/sec)

Source

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

Examples

str(case0901)
plot(Flowers~Intens, case0901, pch= ifelse(Time=="Early", 19, 21))

Sleuth2

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

v2.0-5

GPL (>= 2)

Authors

Original by F.L. Ramsey and D.W. Schafer; modifications by Daniel W. Schafer, Jeannie Sifneos and Berwin A. Turlach; vignettes contributed by Nicholas Horton, Kate Aloisio and Ruobing Zhang, with corrections by Randall Pruim

Initial release

2019-01-24