How to make dummy variables in effects type coding instead of 0/1 coding?
I want to add a dummy variable for every crop I use. I this link I found out how to make them but the dummys are in 0/1 coding. (https://community.jmp.com/t5/JMP-Academic-Knowledge-Base/Make-Indicator-Dummy-Variables/ta-p/22636). I would like to change these 0/1 coding in effects type coding (-1,0,1) but I don't know how.Is there somebody who knows a solution?In the attachment you find a part of m...