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  • Remove outdated literacy rates.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.