ex0429: Exercise and Walking Time
In Sleuth2: Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd Ed)"
ex0429 R Documentation
Exercise and Walking Time
Description
Can active exercise shorten the time it takes an infant to walk alone?
Twelve, one week old, male infants from white, middle-class families
were randomly allocated to one of two treatment groups. Those in the
active-exercise group received stimulation of the walking reflexes
during four 3 minute sessions each day from the beginning of the
second through the end of the eighth week. Those in the other group
received no stimulation.
Usage
ex0429
Format
A data frame with 12 observations on the following 2 variables.
Ageage (months) at which infants first walked alone
Exercisea factor with levels "Active" and
"None"
Source
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A
Course in Methods of Data Analysis (2nd ed), Duxbury.
References
Zelazo, P.R. (1972). Walking in the Newborn, Science
176: 314–315.
Examples
str(ex0429)
Sleuth2 documentation built on May 29, 2024, 7:37 a.m.
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| ex0429 | R Documentation |
Exercise and Walking Time
Description
Can active exercise shorten the time it takes an infant to walk alone? Twelve, one week old, male infants from white, middle-class families were randomly allocated to one of two treatment groups. Those in the active-exercise group received stimulation of the walking reflexes during four 3 minute sessions each day from the beginning of the second through the end of the eighth week. Those in the other group received no stimulation.
Usage
ex0429Format
A data frame with 12 observations on the following 2 variables.
Ageage (months) at which infants first walked alone
Exercisea factor with levels
"Active"and"None"
Source
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
References
Zelazo, P.R. (1972). Walking in the Newborn, Science 176: 314–315.
Examples
str(ex0429)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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