ECONOMIC RELEASE

Massachusetts jobless rate

The Massachusetts unemployment rate for January will be released Thursday. The Commonwealth’s jobless rate remained unchanged at 4.7 percent in December.

EARNINGS

Wal-Mart, Freddie Mac, and more

GCP Applied Technologies Inc., Momenta Pharmaceuticals Inc., Freddie Mac, Endurance International Group Holdings Inc., and Wal-Mart Stores Inc. are expected to release earnings reports for the financial year that ended in December.

DOCUMENTARY

Diversity in tech

The recently released documentary “CODE: Debugging the Gender Gap,’’ which examines the need for diversity in computer science and technology, will be screened at a meetup hosted by Pivotal Labs, a software company. Thursday, 6 to 9 p.m., Pivotal Labs Cambridge, 145 Broadway, Cambridge. Free.

CLASS

Learn to be a PR professional

General Assembly Boston is having an introductory class to teach the basics of managing a company’s public relations. Attendees will learn the basics of running a PR campaign and how to pitch to media organizations. Thursday, 6:30 to 8 p.m., General Assembly Boston, 51 Melcher St., Boston. $45.

CONFERENCE

The rise of artificial intelligence

The Massachusetts Institute of Technology is having its annual tech conference this weekend. Dozens of speakers, including author Ray Kurzweil, will speak about artificial intelligence. Saturday, 8 a.m. to 6 p.m., MIT Media Lab, 75 Amherst St., Cambridge. $37.33 to $105.25, depending on university affiliation.

Events of note? E-mail us at agenda@globe.com.