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【正文】 percent in 2020,while the other three large railroad panies had a 16 percent rise in such accidents 。t require drivers to use this system,but provides incentives for those who pany estimates that the system saves about $1 million annually. Decision Support System In Chapter 3,you saw how data mining can help you make business decisions by giving you the ability to slice and dice your way through massive amounts of ,a data warehouse with datamining tools is a form of decision term decision support system ,used broadly ,means any puterized system that helps you make can mean the whole health care industy or in can mean cough syrup,depending on the context. Narrowly definrd,a decision support system(DSS) si a highly flexible and interantive IT system that is designed to support decision making when the problem is not DSS is an alliance between you,the decision maker,and specialized support provided by IT(see ).IT brings speed,vast amounts information,and sophisticated processing capabilities to help you create information useful in making a bring knowhow in the form of your experience,intuition,judgment,and knowledge of the relevant provides great power ,but youas the decision makermust know what kinds of questions to ask of the information and how to process the information to get those questions fact,the primary objective of a DSS is to improve your effectiveness as a decision maker by providing you with assistance that will plement your union of your knowhow and IT power helps you generate business intelligence so that you can quickly respond to changes in the marketplace and manage resources in the most effective and efficient ways are some example of the varid applicatins of DSSs: .。s secondlargest expense(drivers39。39。39。39。s support is an important part of Wall Street,retail brokerage panies analyze opportunities and alerts brokers to beginning problems. COMPONENTS OF A DECISION SUPPORT SYSTEM DSSs vary greatly in application and plexity,but they all share specific typical DSS has three ponents(see below and figure ):model management ,data management ,and user interface management. Before we look at these three ponents individually,let39。s an esample of a decision support system at Lands39。39。 Data management:The
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