The Data Envelopment Analysis is a linear programming based technique for measuring the performance efficiency of organizational units which are termed as Decision Making Units. This method has been employed for assessing the relative performance of set of firms that uses a variety of identical inputs to produce a variety of identical outputs....

Forecasting is an important aid in effective and efficient planning. It is an attempt to predict the feature by examining the past. The main purpose of making a forecast is to gain knowledge about uncertain events that are important to our present decisions....