142. Pareto analysis is a very simple technique that helps you to choose the most effective changes to make. It uses the Pareto principle - the idea that by doing 20% of work you can generate 80% of the advantage of doing the entire job. Pareto analysis is a formal technique for finding the changes that will give the biggest benefits. It is useful where many possible courses of action are competing for your attention. Selection and decision-making criteria for a Distributed Control Systems in the process industry - Results Using Filter: Q3 YES, Q7 DCS end user