What-if analysis of decision-support systems aims to foresee the effects of adjustments to the assumptions, or the input data, on the suggested answer.
A decision support system (DSS) is an information system that helps a corporation make decisions that call for discretion, analysis, and a plan of action. An organization's mid- and high-level management benefits from the information system's analysis of massive amounts of unstructured data and collection of data that can aid in input data problem-solving and decision-making. A DSS can be automated, run by people, or use a combination of both.
By collecting and input data, a decision support system generates comprehensive information reports. A decision-support systems hence differs from a conventional operations application, whose objective is to gather data rather than analyze it.
A decision-support systems is used by planning departments in an organization, like the operations department, to gather data and provide reports that management can utilize to make decisions. A DSS is primarily used for sales projection, for data on inventory and operations, and to deliver information to clients in an understandable way.
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