Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...

I'm creating a utility in Excel that takes mesh bad leveling raw data (49 values, 7x7 grid, with the center value being what all other values are being compared to). Some values are positive, some are ...