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ex0428

Darwin's Data


Description

Plant heights (inches) for 15 pairs of plants of the same age, one of which was grown from a seed from a cross-fertilized flower and the other of which was grown from a seed from a self-fertilized flower.

Usage

ex0428

Format

A data frame with 15 observations on the following 2 variables.

Cross

height (inches) of cross-fertilized plant

Self

height (inches) of self-fertilized plant

Source

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

References

Andrews, D.F. and Herzberg, A.M. (1985). Data: A Collection of Problems from many Fields for the Student and Research Worker, Springer-Verlag.

Examples

str(ex0428)

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

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