MDX示例：求解众数(mode)

在统计学中，众数（Mode）是样本观测值在频数分布表中频数最多的那一组的组中值，主要应用于大面积普查研究之中，众数在一组数据中可能会有好几个。简单的说，众数就是一组数据中占比例最多的一个或几个数。MDX众数求解又是那位人力资源商业智能团队的开发人员咨询的。

求解众数(MODE).MDX

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//MDX众数MODE求解 //letusbi.com: begin With      SET SampleSet AS      {          [ Date ].[Calendar].[ Month ].&[2013]&[1],          [ Date ].[Calendar].[ Month ].&[2013]&[2],          [ Date ].[Calendar].[ Month ].&[2013]&[3],          [ Date ].[Calendar].[ Month ].&[2013]&[4],          [ Date ].[Calendar].[ Month ].&[2013]&[5],          [ Date ].[Calendar].[ Month ].&[2013]&[6],          [ Date ].[Calendar].[ Month ].&[2013]&[7],          [ Date ].[Calendar].[ Month ].&[2013]&[8],          [ Date ].[Calendar].[ Month ].&[2013]&[9],          [ Date ].[Calendar].[ Month ].&[2013]&[10],          [ Date ].[Calendar].[ Month ].&[2013]&[11],          [ Date ].[Calendar].[ Month ].&[2013]&[12]      }        MEMBER measures.CountSame AS          count (              filter(                  union (                      SampleSet,                      {[ Date ].[Calendar].currentmember} as CurrentMonth                  ),                  (                      [ Date ].[Calendar].currentmember, [Measures].[Customer Count ])                      =(CurrentMonth.item(0).item(0), [Measures].[Customer Count ])                  )              )          )   //众数MODE      MEMBER measures.mode AS          (              topcount(                  SampleSet,                  1,                  measures.CountSame              ).item(0).item(0),          [Measures].[Customer Count ]          )   select {      [Measures].[Customer Count ],      measures.CountSame,      measures.MODE } on 0 from      [Adventure Works] //letusbi.com: End

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