See [http://en.wikipedia.org/wiki/Multiple-criteria_decision_analysis MCDA] and advanced MCDA<ref>Taeihagh, A., Givoni, M., & Bañares-Alcántara, R. (2013). Which policy first? A network-centric approach for the analysis and ranking of policy measures. Environment and Planning B: Planning and Design, 40(4), 595–616.</ref><ref>code in n Israel, Jonathan Dortheimer</ref> for multiple choices evaluation.