Description Usage Format References Examples
Data on adolescent somatic growth obtained from a study of the mechanisms of human hypertension development conducted at the Indiana University School of Medicine, Indianapolis, Indiana, U.S.A. The data are restricted to a subset of 216 adolescents in the original study who had at least 9 height measurements. There are a total of 4,123 height measurements taken approximately every 6 months.
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A data frame with 4,123 observations on the following 5 variables:
idnum
identification numbers of the 216 adolescents.
height
height in centimeters.
age
age in years.
male
indicator of the adolescent being male:
1 = adolescent is male,
0 = adolescent is female.
black
indicator of the adolescent being black:
1 = adolescent is black,
0 = adolescent is not black.
Pratt, J.H., Jones, J.J., Miller, J.Z., Wagner, M.A. and Fineberg, N.S. (1989). Racial differences in aldosterone excretion and plasma aldosterone concentrations in children. New England Journal of Medicine, 321, 1152-1157.
1 2 3 4 | library(HRW) ; data(growthIndiana)
growthINblackMales <- growthIndiana[(growthIndiana$male == 1) & (growthIndiana$black == 1),]
if (require("lattice"))
xyplot(height ~ age|factor(idnum),data = growthINblackMales)
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