Decision Systems, Inc. (DSI) provides software for applying the methods of Grade of Membership Analysis to problems with large multivariate data sets. Grade of Membership Analysis has been successfully used in several widely disparate areas, among them: demography, biology, cost allocation, survey sampling, classification of software components for maintenance planning, and market segment determination.

Decision Systems, Inc. also provides training and consulting services related to the application of Grade of Membership Analysis. Costs for this service are negotiable.

Decision Systems, Inc. has over 25 years experience with Jackson Software Development (JSD) methods. Training and consulting services are also available for developing software using these methods.