窗口函数也被称为联机分析函数(OLAP,Online Anallytical Processing)或者分析函数(Analytic Function),窗口指对满足条件的集合进行计算,并对每一行数据返回分析结果,窗口函数的格式如下: <窗口函数> OVER (partition by <用于分组的列名> order by <用于排序的列名> frame_cla
To get the correct result, we can useLevel of Detail (LOD) Expressions, which were introduced in Tableau 9.0 to provide a way to easily compute aggregations that are not at the level of detail of the visualization. To solve the problem, we will use one of the LOD...
The calc is breaking when I have the range from 300 to 450. If I change to 300 and 334 then the function works as expected but I cannot add the 334-450 range or the results I get are incorrect. I simply cannot figure out why this is happening and I really need a second set of ...