Do it interactively in JMP and JMP will create a script for you. For example I have a table
![jthi_0-1717785927445.png jthi_0-1717785927445.png](https://community.jmp.com/t5/image/serverpage/image-id/65004iFB223B46D006AB25/image-size/medium?v=v2&px=400)
And I wish to change 100 to 1
![jthi_1-1717785940218.png jthi_1-1717785940218.png](https://community.jmp.com/t5/image/serverpage/image-id/65005i8FE82A897B1D797F/image-size/medium?v=v2&px=400)
![jthi_2-1717785946544.png jthi_2-1717785946544.png](https://community.jmp.com/t5/image/serverpage/image-id/65006iB77A4B0E6D1D190B/image-size/medium?v=v2&px=400)
JMP creates a script for you
![jthi_3-1717785965871.png jthi_3-1717785965871.png](https://community.jmp.com/t5/image/serverpage/image-id/65007iCE9D25CA4D436091/image-size/medium?v=v2&px=400)
And you can clean it up and modify it a bit and have it look like this
dt << Recode Column(
dt:Prob,
{Map Value(_rcOrig, {100, 1}, Unmatched(_rcNow))},
Target Column(:Prob)
);
JMP basically created this script for me without me writing any JSL.
-Jarmo