Opening Cross: Reducing Double Measures in Data Recipes

I love to cook. But living in New York, the convenience of eating out and takeout—plus a closet-sized kitchen—means I don’t cook as much as I would like, and hence I don’t keep a stockpile of ingredients on hand. So it frustrates me when I come back from a shopping trip for ingredients and realize that I already had some of the items on the list in the fridge or at the back of a cupboard. And based on comments from last week’s North American Financial Information Summit, it sounds like market