St. Patrick’s Day revelers can rest easy --- that’s because shipments of stout and some Irish whiskeys are running smartly ahead of last year’s levels.

So concludes Panjiva, a firm with offices in New York and Cambridge that analyzes bills of lading for ships bringing goods to the United States. The technologies that Panjiva uses were developed under the leadership of company cofounder James Psota, a computer scientist from the Massachusetts Institute of Technology. Panjiva then sells its data and analysis to manufacturers and suppliers.