Hi @maryam_nourmand,
Welcome in the Community !
If you're using Logistic Regression, you have the possibility to save probability formulas for your classes : Logistic Platform Options (jmp.com)
Simply click on red triangle, and then on "Save Probability Formula" :
![Victor_G_0-1714640898693.png Victor_G_0-1714640898693.png](https://community.jmp.com/t5/image/serverpage/image-id/63875i98300D0EFE3846FC/image-size/medium?v=v2&px=400)
New columns will be added in your datatable, with probabilities for each class for every rows of your datatable, as well as Most Likely Class (default threshold is 0.5) :
![Victor_G_1-1714640998047.png Victor_G_1-1714640998047.png](https://community.jmp.com/t5/image/serverpage/image-id/63876i56630F85AEBCA958/image-size/medium?v=v2&px=400)
Example here is from Titanic Passengers dataset, available in menu "Help", "Sample Index", "Exploratory Modeling", Titanic Passengers.
I hope this will answer your question,
Victor GUILLER
Scientific Expertise Engineer
L'Oréal - Data & Analytics