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3 ways grocers can get healthier margins on fresh foods with analytics
Hippocrates once said, “Let food be thy medicine.” For food vendors, this advice could be communicated another way: Stock more fresh fruit, protein and vegetables. The periphery of the grocery store has led in the expansion of revenues – namely within produce, but also spanning seafood, bakery products and ready-to-eat
Compute 2-D cumulative sums and ogives
A recent article about how to estimate a two-dimensional distribution function in SAS inspired me to think about a related computation: a 2-D cumulative sum. Suppose you have numbers in a matrix, X. A 2-D cumulative sum is a second matrix, C, such that the C[p,q] gives the sum of