Data scientist Mark Madsen has been programming and crunching data long before buzzwords like artificial intelligence and machine learning were common. So when the field really started expanding around 2010, Madsen, who works near Portland, Ore., began receiving requests from local colleges and universities asking for tips about crafting their data-science curriculum. Madsen and the institutions that reached out agreed that courses in mathematics, statistics and computing were crucial. But he says the conversations often fell off once he suggested…