USAboundaries 0.5.1

• Update contemporary census data for States from 2020 to 2024.
• Update package installation

USAboundaries 0.5.0

• Update Census Bureau data from 2020 to 2024.

USAboundaries 0.4.0

• Update all data files to use current version of sf package.
• Update Census Bureau data from 2016 to 2020.
• Remove the us_boundaries() function was a needless wrapper around other functions.
• Prompt user to install data package rather than installing it for them.

USAboundaries 0.3.1

• New vignette demonstrating the package’s functionality (#40).
• Additions and clarifications to documentation following @AndySouth’s suggestions for JOSS peer review (#38).
• us_cities() now returns an sf object rather than a data frame (#36).
• us_cities() gains a states argument to match other functions in the package (#35).
• Citation to JOSS paper.

USAboundaries 0.3.0

• Moved most data to USAboundariesData. This improves loading time and permits more frequent updates to the user-facing package.
• Added state plane projections table and functions (@jfbratt). Now users can get an appropriate projection for a state.
• Converted all boundary objects to sf objects.
• Updated all contemporary census boundaries from the 2014 to the 2016 versions.
• Added zipcode tabulation area centroids.
• Added historical city populations compiled by Erik Steiner at CESTA/Stanford University.

USAboundaries 0.2.0

• Added contemporary boundaries for states, counties, and congressional districts.
• Import many fewer packages. The us_boundaries() function no longer has an option to return a fortified data frame. It is assumed that users will convert the SpatialPolygonsDataFrame objects to whatever format they need.
• High resolution data is now available in the USAboundariesData package.

USAboundaries 0.1.1

• Fix to README.md as requested by CRAN.

USAboundaries 0.1

• Initial release.
• us_boundaries() returns an sp object or a data frame which can be plotted.