mosaicData (version 0.16.0)

Births: US Births

Description

Number of births each day from 1968 to 1988

Usage

data(Births)

Format

A data.frame with 7305 observations on the following 8 variables.

• itemcodedate [Date] itemcodebirths number of births on date [integer] itemcodewday day of week [ordered factor] itemcodeyear year [integer] itemcodemonth month [integer] itemcodeday day of month [integer] itemcodeday_of_year day of year [integer] itemcodeday_of_week day of week [integer]

Details

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.

See Also

Births2015, Births.

Examples

# NOT RUN {
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)
  }
}

# }