getting matched entries from 3 different columns
Hi, I have 3 columns with dates of different types imaging tests done in a timeframe. I'd like to see if an individual had done AT LEAST 1 of the 3 different methods in this timeframe. For example: I have entries for US, CT and MRI at baseline. An individual could have done US and MRI = yes at least 1 method. If the person did not have done any imaging test, it would be = no for at least 1 metho...