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William Guy's nineteenth century data on the age at death of persons belonging to different professions.
data(lifelength)
A data frame with 690 observations on the following 2 variables.
Category
Code for profession: 1 = historian, 2 = poet, 3 = painter, 4 = musician, 5 = mathematician or astronomer, 6 = chemist or natural philosopher, 7 = naturalist, 8 = engineer, architect or surveyor
Lifelength
Age (in years) of deceased
# NOT RUN { data(lifelength) head(lifelength) # }
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