i am doing a predictive analysis on employee attrition.

I wanted to know which employee has higher chance to leave in  month/ quarter/year. I have made the employee data as called out below. I wanted to know how to take it further. I am using rapid miner for the first time, pls help

Empl no, Age, Total gross salary, compensation increment - which is integer

Name, gender, role, Job level, qualificaion, practice unit, city, appraisal rating for last 5 years, onsite/ offshore, role maturity, - polynominal

Date of Birth, Date of joining, Date of confirmation, last revision date, last role change date -date time

Previous experience, total experience, Loss of pay duration, utilization-real

Regards

Joseph