Birthdays {mosaicData}

US Births in 1969 - 1988

Description

A day by day record of the number of births in each US State.

Usage

data(Birthdays)

Format

A data frame with 374221 observations on the following variables.

state

state where child was born

year

year (1969-1988)

month

month (1-12)

day

day of month

date

date as a date object

wday

Day of week (ordered factor)

births

number of births

See Also

Births, Births78, Births2015, BirthsSSA, BirthsCDC for data sets that are aggregated at the level of the entire country.

Examples

data(Birthdays)
if (require(mosaic)) {
  MI <- Birthdays |> filter(state == "MI")
  gf_point(births ~ date, Birthdays, data = MI)
  gf_line(births ~ date, Birthdays, data = MI, color = ~ wday)
  gf_line(births ~ date,
    data = Birthdays |> group_by(date) |> summarise(births = sum(births)))
  }