babies_crawl
Crawling age
Description
Crawling age of babies along with the average outdoor temperature at 6 months of age.
Usage
babies_crawl
Format
A data frame with 12 observations on the following 5 variables.
- birth_month
A factor with levels corresponding to months
- avg_crawling_age
a numeric vector
- sd
a numeric vector
- n
a numeric vector
- temperature
a numeric vector
Source
J.B. Benson. Season of birth and onset of locomotion: Theoretical and methodological implications. In: Infant behavior and development 16.1 (1993), pp. 69-81. issn: 0163-6383.