HeightData {Lock5Data}

Height Data

Description

Heights measured for the same 94 children over 18 years.

Format

A dataset with 94 observations on the following 33 variables.

ID	Identification number)
Sex	M or F
Year_1	Height (in cm.) at age 1 year
Year_1.25	Height (in cm.) at age 1.25 years
Year_1.5	Height (in cm.) at age 1.5 years
Year_1.75	Height (in cm.) at age 1.75 years
Year_2	Height (in cm.) at age 2 years
Year_3	Height (in cm.) at age 3 years
Year_4	Height (in cm.) at age 4 years
Year_5	Height (in cm.) at age 5 years
	See below for full list of years...
Year_17.5	Height (in cm.) at age 17.5 years
Year_18	Height (in cm.) at age 18 years

Details

In the 1940's and 1950's, the heights of 39 boys and 54 girls, in centimeters, were measured at 30 different time points between the ages of 1 and 18 years as part of the University of California Berkeley growth study. Ages for measurement are 1, 1,25, 1,5, 1,75, 2, 3, 4, 5, 6, 7, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11,5, 12, 12.5, 13, 13.5, 14, 14.5, 15, 15.5, 16, 16.5, 17, 17.5, 18.

Source

Tuddenham, R. D., and Snyder, M. M. (1954) "Physical growth of California boys and girls from birth to age 18", University of California Publications in Child Development, 1, 183-364.