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TOPSIS method can be used for the overall evaluation of medical institutions or the analysis and comparison of various work benefits or quality, such as the evaluation of public health supervision quality, hospital work quality, planned immunization work, restaurant environment, pneumoconiosis hazard degree, etc. The advantages of this method are as follows: 1) the method is simple, the structure is reasonable, the order is clear and the application is flexible; ② By making full use of the original data information, the ranking results can quantitatively reflect the advantages and disadvantages of different evaluation objects, which is intuitive and reliable; ③ There are no strict requirements on data (there are no strict restrictions on data distribution type, sample size and index number, which are applicable to small sample data, multi unit evaluation and multi index large-scale system, as well as continuous and dynamic data). It can be calculated directly with original data without recing the number of variables in the calculation process; ④ It can eliminate the influence of different dimensions, so it can introce different dimensions of evaluation index for comprehensive evaluation at the same time. Disadvantages: 1) CI can only reflect the relative closeness of each evaluation object, and can not reflect the relative closeness with the ideal optimal scheme; ② The characteristics of RSR method are as follows: (1) the calculation is simple, there is no special requirement for data, and it is easy to be popularized and applied; ② Rank is involved in the calculation, which can eliminate the interference of outliers and solve the confusion in statistical processing when the index value is zero; ③ RSR value is dimensionless and has strong comprehensive ability. It can replace some special composite indexes, and can contain information of some special Statistics (such as N, s, CV), some percentiles or epidemiological indicators (such as or, RR, par, etc.); ④ This method integrates parametric statistics and nonparametric statistics. It is very flexible and can communicate, transplant and graft with many other mathematical statistics methods and quantitative methods. For example, RSR can be embedded in operations research, grey system and fuzzy mathematics. Disadvantages: 1. Because the index value adopts rank substitution, some information will be lost, and M is required × The elements of N matrix can not be missing. ② The final RSR value can only reflect the difference of comprehensive rank, but can not reflect the degree of difference between sequences
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How to open RSR program in Windows 7:
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first find the "computer" icon on Windows 7 system
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then select, right-click and click the "manage" option
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then in the computer management window, click the "service" option under the "services and Applications" column on the left
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if you think the above operation is too cumbersome, you can also directly open it by running the command. Press and hold the "start" + R shortcut key on the keyboard to open the operation window of the system
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then enter services.msc in the input box of the running window and click "OK"
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you can then open the window interface for managing services
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if you want to operate a service, you can start and stop the operation after selecting it in the service list
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if you want to set this service in detail, you can double-click some services to open their properties. You can modify the type of service startup in the properties window