Darwin's Wild Mignonette Data

Description

Data compare the heights of crossed plants with self-fertilized plants of the wild mignonette reseda lutea. Plants were paired within the pots in which they were grown, with one on one side and one on the other.

Usage

mignonette

Format

This data frame contains the following columns:

cross

heights of the crossed plants

self

heights of the self-fertilized plants

Source

Darwin, Charles. 1877. The Effects of Cross and Self Fertilisation in the Vegetable Kingdom. Appleton and Company, New York, page 118.

Examples

print("Is Pairing Helpful? - Example 4.3.1")

attach(mignonette)
plot(cross ~ self, pch=rep(c(4,1), c(3,12))); abline(0,1) 
abline(mean(cross-self), 1, lty=2)
detach(mignonette)