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Pivot tables are not created automatically. For example, in Microsoft Excel one must first select the entire data in the original table and then go to the Insert tab and select "Pivot Table" (or "Pivot Chart"). The user then has the option of either inserting the pivot table into an existing sheet or creating a new sheet to house the pivot table.
The term decision matrix is used to describe a multiple-criteria decision analysis (MCDA) problem. An MCDA problem, where there are M alternative options and each needs to be assessed on N criteria, can be described by the decision matrix which has N rows and M columns, or M × N elements, as shown in the following table.
In this example a company should prefer product B's risk and payoffs under realistic risk preference coefficients. Multiple-criteria decision-making (MCDM) or multiple-criteria decision analysis (MCDA) is a sub-discipline of operations research that explicitly evaluates multiple conflicting criteria in decision making (both in daily life and in settings such as business, government and medicine).
Microsoft Access is designed to scale to support more data and users by linking to multiple Access databases or using a back-end database like Microsoft SQL Server. With the latter design, the amount of data and users can scale to enterprise-level solutions.
If any of the parameters in the chain of fallback values (in the first construct) have been set to an empty value (or only whitespace) in the template call, then that empty value will be used instead of "falling back" to the next parameter in the chain. So, for example, if the template is called in either of these two ways:
The reference set may include: (a) some decision alternatives evaluated in similar problems in the past, (b) a subset of the alternatives under consideration, (c) some fictitious alternatives, consisting of performances on the criteria which can be easily judged by the decision-maker to express his/her global evaluation.
The MCDM problem is stated as follows: Determine the best (compromise) solution in multicriteria sense from the set of J feasible alternatives ,, …,, evaluated according to the set of n criterion functions. The input data are the elements of the performance (decision) matrix, where is the value of the i-th criterion function for the alternative .
The double-counted elements are those in the intersection of the two sets and the count is corrected by subtracting the size of the intersection. The inclusion-exclusion principle, being a generalization of the two-set case, is perhaps more clearly seen in the case of three sets, which for the sets A, B and C is given by