Looking up when the data won’t co-operate (case study)
Occasionally we deal with data that is so uncooperative that we might as well give up and go back to calculators & ledger books.
Recently I found myself in such a situation and learned something new.
Introducing … data that won’t play nice
Drum roll please. Here is a data-set that I got from somewhere.
The problem – build a lookup formula
And the problem. Oh, simple. Write a lookup formula to find how many customer walk-ins we have on any given day.
But how?
Formula Forensics 022. Sum the Odd Numbers between 1 and 100
How can we Add Up the Odd numbers between 1 and 100 ?
Formula Forensics No. 005 – Zebras and Checker-Boards
Zebra Stripes and Checker Boards
This week in Formula Forensics I’m taking a break from Array Formulas to have a look at some Zebra Stripes and Checker Boards.
No, I haven’t gone crazy, although some may argue that point.
More specifically were going to take a look at, Zebra Stripes and Checker-Board Conditional Formatting.