day difference in the same column of different scenarios
Hi, I have questions for different scenarios as below. Really appreciate any help!Scenario A: I want to add this last column, calculating for that userID, what's the day difference from first web to first booking date. If he had no web action prior to booking action, then leave it empty. Could someone help me with what the formula should look like using the function but not jsl?userIDactiondatefir...