Consider using function signatures that are R friendly

Description

I am creating this issue to capture our conversation in slack related to R function signature: https://sagebionetworks.slack.com/archives/C094TFGUF/p1549651959006100

Environment

None

Assignee

Unassigned

Reporter

Kara Woo

Labels

None

Validator

Kenneth Daily

Development Area

None

Release Version History

None

Fix versions

Priority

Major
Configure