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usa (development version)

usa 1.0.0

Breaking changes

  • states split into two tibbles: state_ids (naming and coding systems) and state_geo (geographic and classificatory properties).

  • facts renamed to state_facts; state.x19 removed.

  • Puerto Rico removed from all state_* objects. It is now included in territory and the territory_* vectors alongside AS, GU, MP, UM, and VI. All state_* objects now cover exactly 51 rows (50 states + DC).

  • state.abb, state.area, state.center, state.division, state.name, and state.region dot-named vectors replaced with state_abbs, state_areas, state_centers, state_divisions, state_names, and state_regions.

  • zip.code, zip.center, city.name, and county.name renamed to zip_codes, zip_centers, city_names, and county_names.

New data

  • state_capitals: capital city name, coordinates (TIGER 2020 internal points), and population (2020 Decennial Census) for the 50 states and DC.

  • state_geo gains peak_elev (state high point in feet, USGS) and adds DC.

Updated data

  • state_facts population updated to 2020 Decennial Census (was 2010 ACS).

  • state_facts income updated to 2022 ACS 1-year per capita income (was 2019 median household income).

  • state_facts Electoral College votes updated to 2020 Census reapportionment (applies 2022–2032).

  • state_facts murder rate updated to 2022 FBI NIBRS homicide rate per 100,000 via the Crime Data Explorer API (was 2018 UCR).

  • state_facts education updated to 2022 ACS 1-year; college now stored as a proportion (0–1) rather than a percentage.

  • state_facts heat (1981–2010 cooling degree days, dead FTP source) replaced by frost: mean days per year with minimum temperature below freezing, from the NCEI 1991–2020 Climate Normals.

  • state_facts life expectancy updated to 2021 NCHS state life tables via CDC (was 2017–18 data from a Wikipedia scrape).

  • counties source updated from archived FCC file to Census TIGER 2020 national county reference file. Row count 3,232 → 3,235.

  • state_ids gains icp (IPUMS STATEICP codes) and ap (AP style abbreviations) columns.

Other changes

  • sp and rgdal dependencies removed; spatial operations use sf and tigris throughout.

  • state_capitals coordinates and population now sourced from the Census API rather than hardcoded.

usa 0.1.3

  • Fix logo URL in README

usa 0.1.2

  • Update maintainer email, website URL, and GitHub URL.

usa 0.1.1

  • Add state_convert() helper function.
  • Add Electoral College votes to facts.
  • Remove the invalid negative degree days in the mean.
  • Rename the bach column to college and remove the high column.

usa 0.1.0

  • Rename info data to facts.
  • Separate territories from states to territory, etc (for now).

usa 0.0.9

  • Finish the info data set:
    • Find degree days for Washington, DC.
    • Use state names instead of abbreviations.
    • Remove outdated literacy rates.
    • Add admission date (age in matrix).
    • Use https://data.census.gov sources.
    • Save .zip and .xlsx data sources.

usa 0.0.8

  • Add the data from the archived zipcode package.
  • Export the columns from the zipcodes data frame as zip.* vectors.

usa 0.0.7

  • Add the synthetic people data set from PEW Research.

usa 0.0.6

  • Replace geocodes data with census sources.
  • Combine state info into single table.
  • Delete unfinished data.

usa 0.0.4

  • Save state_centers tibble from Wikipedia.
  • Overwrite state.center list with territories.
  • Update README.md with newest object differences.

usa 0.0.3

  • Improve draft objects and tibbles.
  • Add overall states tibble.

usa 0.0.2

  • Overwrite the base state.* objects.
  • Add draft versions of most relational tibbles:

usa 0.0.1

  • Rename package to usa
  • Create fips, regions, divisions, and populations tibbles.

state2 0.0.0.9000

  • Added a NEWS.md file to track changes to the package.