Changes in version 0.1.2 (2021-03-21)                  

  - Updated the package datasets (up to date to March 15th, 2021)

                 Changes in version 0.1.1 (2020-11-16)                  

  - Updated the package datasets

                 Changes in version 0.1.0 (2020-01-24)                  

Addws the following series:

  - US_elec - the total hourly demand and supply (generation) for
    electricity in the US since July 2015

  - US_source - the hourly demand for electricity in the US by energy
    source (natural gas, coal, solar, etc.) since July 2018

  - Cal_elec - The California subregion hourly demand by operator since
    July 2018

All series updated up to Dec 31 2019

  - Added a NEWS.md file to track changes to the package.