Births | R Documentation |
Number of births each day from 1968 to 1988
data(Births)
A data.frame with 7305 observations on the following 8 variables.
date
Date
births
Number of births on date
(integer)
wday
Day of week (ordered factor)
year
Year (integer)
month
Month (integer)
day_of_year
Day of year (integer)
day_of_month
Day of month (integer)
day_of_week
Day of week (integer)
The number of births in Births78
is slightly lower than the number
of births in this data set for the year 1978. See the examples.
Data source: National Vital Statistics System natality data, as provided by Google BigQuery and exported to csv Robert Kern (http://www.mechanicalkern.com/static/birthdates-1968-1988.csv)
Births2015
, Births
.
data(Births) if(require(ggplot2)) { ggplot(data = Births, aes(x = date, y = births, colour = ~ wday)) + stat_smooth(se = FALSE, alpha = 0.8, geom = "line") ggplot(data = Births, aes(x = day_of_year, y = births, colour = ~ wday)) + geom_point(size = 0.4, alpha = 0.5) + stat_smooth(se = FALSE, geom = "line", alpha = 0.6, size = 1.5) if (require(dplyr)) { ggplot( data = bind_cols(Births %>% filter(year == 1978), Births78 %>% rename(births78 = births)), aes(x = births - births78) ) + geom_histogram(binwidth = 1) } }