How do I sum multiple columns using the formula window?
I have a table with many columns and would like to easily sum a block of them (columns 50-100) in another column. What is the best way to do so without making a formula: column50 + column51 + column52.... ? I did find a similar question from 2015 showing you can shift+click to select many columns using the "Sum" function (https://community.jmp.com/t5/Discussions/How-do-I-sum-multiple-columns-usin...