openintro 2.3.0

• Added new datasets:
  • reddit_finance, blizzard_salary, climber_drugs and simpsons_paradox_covid by [@npaterno](https://github.com/npaterno)
  • mlb_teams, world_pop, sowc_demographics, sowc_maternal_newborn, sowc_child_mortality, gdp_countries and mn_police_use_of_force by [@karenjh2](https://github.com/karenjh2)
  • sa_gdp_elec by [@mmeece](https://github.com/mmeece)
  • labor_market_discrimination by [@thiagoscarelli](https://github.com/thiagoscarelli)
• Fixed level names for variables in cle_sac

openintro 2.2.0

• Added new datasets:
  • lizard_run and lizard_habitat (thanks Stephen Adolph!)
  • daycare_fines, biontech_adolescents, nyc_marathon, epa2021, duke_forest
• Add tests for some of the new datasets
• Better terminology: sex_discrimination

openintro 2.1.0

• Added LazyDataCompression: xz to DESCRIPTION per CRAN.
• Added new datasets:
  • earthquakes, mcu_films, salinity, snowfall, ssd_speed, fact_opinion, flow_rates, race_justice by [@npaterno](https://github.com/npaterno)
  • exam_grades, opportunity_cost
  • births14 by [@AmeliaMN](https://github.com/AmeliaMN)
• Removed redundant prof_evals dataset
• Updated email and email50 datasets to make indicator variables factors, remove variables that don’t exist in the data from the documentation, and update the documentation for email50 to match the randomly sampled data
• Updated orings data to require much less manipulation to do glm with
• Updated epa2012 to have NAs for empty levels and updated documentation to describe the variables better
• Updated documentation for births, ncbirths, babies, and murders for data provenance issues
• Updated midterms_house to have party levels “Democrat” and “Republican” (not “Democratic”)
• Added two new objects for colors: openintro_colors and openintro_palettes
• Added new functions:
  • write_pkg_data() for creating downloadable datasets on the OpenIntro site
  • scale_color_openintro() and scale_fill_openintro() for constructing for OpenIntro color scales for ggplot2 (and less likely to be directly used openintro_pal() (unexported) and openintro_cols())

openintro 2.0.0

• Added a NEWS.md file to track changes to the package.
• Consolidated openintro, oilabs, and oidata packages.
• Updated all dataframe and variable names to use snake_case.
• Turned data.frames into tibbles.
• Simplified code in most examples to make it more accessible for the student audience for the package.
• Added new datasets used in OpenIntro Statistics, 4th Edition.
• Added new datasets used in new OpenIntro labs.
• Removed package startup message.
• Added dependency on the following packages: airports, cherryblossom, and usdata.
• Moved run09, run12, and run19 datasets to the cherryblossom package.
• Moved usairports to the airports packages.
• Moved county_complete, county, govrace10, houserace10, prrace08, senaterace10, state_stats, urban_owner, urban_rural_pop, vote_nsa datasets and state2abbr and abbr2state functions to the usdata package.