Darwin's Wild Mignonette Data
Data which compare the heights of crossed plants with
self-fertilized plants. Plants were paired within the
pots in which they were grown, with one on one side and
one on the other.
This data frame contains the following columns:
the crossed plants
the self-fertilized plants
Darwin, Charles. 1877. The Effects of Cross and Self
Fertilisation in the Vegetable Kingdom. Appleton and Company, New
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)
Dataset imported from https://www.r-project.org.