Changes in version 28.0-0.0 (2024-07-15)                

  - Updating YEAR to 2023_2024

                Changes in version 27.0-0.0 (2023-10-18)                

  - Updating YEAR to 2022_2023

                Changes in version 26.0-0.0 (2022-05-27)                

  - Updating YEAR to 2021_2022

                Changes in version 25.0-0.0 (2021-04-18)                

  - Minor fixes to sgpData_LONG_COVID to make is more representative.

                      Changes in version 24.0-0.0                       

  - Bumped YEAR up one to 2020_2021.
  - Add sgpData_LONG_COVID to help with modeling situations related to
    the COVID-19 pandemic that lead to the cancellation of spring
    testing in the United States in 2020.

                Changes in version 23.0-0.0 (2020-01-15)                

  - Bumped YEAR up one to 2019_2020.

                      Changes in version 22.0-0.0                       

  - Added READING_UNIFIED content area to sgptData_LONG.

                Changes in version 21.0-0.0 (2019-01-04)                

  - Bumped YEAR up one to 2018_2019.

                Changes in version 20.0-0.0 (2018-04-10)                

  - Bumped YEAR up one to 2017_2018.

                      Changes in version 19.0-0.0                       

  - Change sgpData from a data.frame to a data.table to maintain
    consistency with other data sets in the package.

                      Changes in version 18.0-0.0                       

  - Adding vignettes and building GitHub pages website.

                Changes in version 17.0-0.0 (2017-04-13)                

  - Bumped YEAR up one to 2016_2017.

                Changes in version 16.0-0.0 (2017-03-16)                

  - Fixing up sgptData_LONG: Converting SCALE_SCORE from integer to
    numeric, rounding RASCH score to 4 decimals.

                Changes in version 15.0-0.0 (2017-02-20)                

  - Updating sgptData_LONG with RASCH scores and bumping year up by 2.

                Changes in version 14.0-0.0 (2016-09-17)                

  - Changing http to https.

                Changes in version 13.0-0.0 (2016-03-01)                

  - Fixing start-up messages.
  - Bumped YEAR up one to 2015_2016.
  - Upped SGP dependency to 1.4-0.0.

                Changes in version 12.0-0.0 (2015-12-04)                

  - Adding sgptData for modelling time dependent (SGPt) analyses.

                      Changes in version 11.0-0.0                       

  - Bumped YEAR up one to 2014_2015

                      Changes in version 10.0-0.0                       

  - Changed ACHIEVEMENT_LEVEL to character to accomodate assessment
    transitions.
  - Added version message to onLoad.

                       Changes in version 9.0-0.0                       

  - Bumped YEAR up one to 2013_2014

                Changes in version 8.0-0.0 (2014-01-20)                 

  - Changed GitHub URL for package in LICENSE
  - Changed SCALE_SCORE in sgpData_LONG to class 'numeric'

                Changes in version 7.0-0.0 (2013-04-11)                 

  - Updated YEAR to 2012_2013

                       Changes in version 6.0-0.0                       

  - Separated Instructor lookup data from sgpData_LONG to a separate
    table sgpData_INSTRUCTOR_NUMBER

                Changes in version 5.0-0.0 (2013-01-21)                 

  - Updated CITATION and LICENSE

                Changes in version 4.0-0.0 (2013-01-07)                 

  - Changed class of GRADE in sgpData_LONG to character.

                Changes in version 3.0-0.0 (2012-08-26)                 

  - Changed class of ID in sgpData_LONG to character.

                Changes in version 2.0-0.0 (2012-07-25)                 

  - Updated YEAR in sgpData_LONG.
  - Changed VALID_CASE, CONTENT_AREA, and YEAR to character from factor.
  - Updated URL in CITATION to github.

                Changes in version 1.0-0.0 (2012-01-10)                 

  - Package Released containing separate sgpData and sgpData_LONG data
    sets from SGP package.