usmap 0.6.0

New Features

• Add input_names and output_names parameters to usmap_transform, see Issue #33.
• Add sortAndRemoveDuplicates parameter to fips_info, see Issue #47.
  • The default (FALSE) value changes existing behavior, to retain existing behavior, change the parameter value to TRUE.

Improvements

• Improve map resolution.
  • More polygons are shown, this has a marginal increase on the data set file sizes but it is negligible.
• Add shape file update history, see Issue #30.
• Extract map data frame to external usmapdata package to reduce usmap package size, see Issue #39.
  • All existing functions (including us_map()) should continue to work as usual.
• Add data format examples for plot_usmap to "Mapping" vignette, see Issue #42.

Bug Fixes

• Fix CRS warnings, see Issue #40.
• Fix plot_usmap() issue when provided data has "values" column, see Issue #48 and this Stack Overflow question.