Add make.entrainment
This pull request adds the make.entrainment function and associated tests.
This is the first of three PRs that will merge the three core functions into the package.
Maintenance scheduled for Thursday, May 23 from 5 PM to 6 PM ET.
This pull request adds the make.entrainment function and associated tests.
This is the first of three PRs that will merge the three core functions into the package.