0
我试图来计算过滤日期列的MIN日期和MAX日期之间的年数再由第Y列列OVER X的COUNT划分结果Spotfire中则DateDiff使用自定义表达式
的Spotfire文档中说,自定义表达式是操作过滤数据的关键,但我不确定如何将临时变量传递给SpotFilter功能,如DateDiff。
Example:
DateDiff(Min([Date]),Max([Date]))/[Column.Y] OVER [Column.X]
+------+----------+------------+
| Name | Date | Made Sale? |
+------+----------+------------+
| joe | 1/1/2010 | 10 |
| joe | 2/1/2011 | 11 |
| joe | 3/1/2012 | |
| joe | 4/1/2013 | 40 |
| joe | 5/1/2014 | |
| pam | 1/1/2010 | 100 |
| pam | 2/1/2011 | 19 |
| pam | 3/1/2012 | 23 |
| pam | 4/1/2013 | 30 |
| pam | 5/1/2014 | |
| mark | 1/1/2010 | |
| mark | 2/1/2011 | 1 |
| mark | 3/1/2012 | |
| mark | 4/1/2013 | |
| mark | 5/1/2014 | 49 |
+------+----------+------------+
EG. Filter from 2011-2014, what were Joe, Pam, and Mark's frequency of sales per year?
你能否提供一些示例数据。像6到10行显示你需要达到什么? –
更新,这是否更清晰? – ScrubDubbins