Add check function to support the SA design - Githubissues

naoki-egami / DIDdesign

R package DIDdesign: Analyzing Difference-in-Differences Design

GNU General Public License v2.0

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Add check function to support the SA design #20

Closed sou412 closed 3 years ago

sou412 commented 3 years ago

Add design='sa' option for the function to check pre-treatment trends.