Answered By: Barbara Coffey
Last Updated: Sep 30, 2019     Views: 11

When using the CRSP/Ziman dataset, if the value is missing the code in its places is one of the following numbers -the numbers -66, -77, -88, and -99 represent missing values.

Related Topics

Contact Us

Chat with a Librarian

Text a Librarian

Text (609) 277-3245 to get live help on your mobile phone (available the same hours as the Chat service)

Email a Librarian

You can email your research questions to or you can request an individual appointment with a subject specialist.

Call a Librarian

Call (609) 258-5964 to speak to a reference librarian during most open hours of the Libraries.