normtemp.csv: Body temperatures and heart rate. (Source: What's Normal?, also available as normtemp in the UsingR package)
gosset_corn.csv:
Gosset's 1908 data on the harvest (lbs/acre) after seeding pairs of plots with undried and with kiln-dried seeds. (Source: Gosset, The Probable Error of a Mean, 1908, pg 24)
candytuft.csv: From Darwin, C. R. 1876. The effects of cross and self fertilisation in the vegetable kingdom. It is Table XXXII and records Iberis umbellata heights. Flowers were planted in matched pairs in the same pot. 0 signifies that the Plant died.