| Title: | US Baby Names 1880-2017 | 
| Version: | 1.0.1 | 
| Description: | US baby names provided by the SSA. This package contains all names used for at least 5 children of either sex. | 
| License: | CC0 | 
| URL: | https://github.com/hadley/babynames | 
| BugReports: | https://github.com/hadley/babynames/issues | 
| Depends: | R (≥ 2.10) | 
| Imports: | tibble | 
| Suggests: | testthat (≥ 3.0.0) | 
| Encoding: | UTF-8 | 
| LazyData: | true | 
| LazyDataCompression: | xz | 
| RoxygenNote: | 7.1.1 | 
| Config/testthat/edition: | 3 | 
| NeedsCompilation: | no | 
| Packaged: | 2021-04-12 14:21:07 UTC; hadley | 
| Author: | Hadley Wickham [aut, cre], RStudio [cph] | 
| Maintainer: | Hadley Wickham <hadley@rstudio.com> | 
| Repository: | CRAN | 
| Date/Publication: | 2021-04-12 18:00:07 UTC | 
Applicants.
Description
The SSA baby names data comes from social security number (SSN) applications. SSA cards were first issued in 1936, but were only needed for people with an income. In 1986, the law changed effectively requiring all children to get an SSN at birth.
Usage
applicants
Format
A data frame with 3 variables: year, sex and
applicants
Baby names.
Description
Full baby name data provided by the SSA. This includes all names with at least 5 uses.
Usage
babynames
Format
A data frame with five variables: year, sex,
name, n and prop (n divided by total number
of applicants in that year, which means proportions are of people of
that sex with that name born in that year).
Births
Description
Live births data from census.gov.
Usage
births
Format
A data frame:
- year
- Year 
- births
- Number of live births, rounded to nearest 1000 
Lifetables
Description
Cohort life tables data as provided by SSA.
Usage
lifetables
Format
A data frame with nine variables:
- x
- age in years 
- qx
- probability of death at age - x
- lx
- number of survivors, of birth cohort of 100,000, at next integral age 
- dx
- number of deaths that would occur between integral ages 
- Lx
- Number of person-years lived between - xand- x+1
- Tx
- Total number of person-years lived beyond age - x
- ex
- Average number of years of life remaining for members of cohort alive at age - x
- sex
- Sex 
- year
- Year 
For further details, see http://www.ssa.gov/oact/NOTES/as120/LifeTables_Body.html#wp1168594