These data are heights of 933 adults and their parents, as measured by Karl Pearson in 1885.
A data frame with 933 observations on the following 5 variables.
a factor with levels
an identification number for family, 1, 2,..., 205
adult height of the child, inches
height of the child's father, inches
height of the child's mother, inches
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Hubble, E. and Humason, M. (1931). The Velocity–Distance Relation Among Extra–calactic Nebulae, Astrophysics Journal 74: 43–50.