spotfire如何在计算列中显示趋势

Question

我有这样的数据表。如何创建计算列以显示数量是否增加？如果最后一个数量高于第二个最后一个数量，则结果应为true，否则为false。

最终，我想使用带有图标的图形表来表示它。

谢谢

Answer 1

这里有两个答案，具体取决于您是要按产品查看还是仅查看整个数据集。

按产品

• 插入计算列：Rank([Date],"asc",[Product]) as [ProductRowNumber]
• 插入计算列：If([Quantity]>Min([Quantity]) over (Intersect([Product],Previous([ProductRowNumber]))),"TRUE","FALSE")

忽略产品（整个数据集）

• 插入计算列：Rank([Date],"asc") as [RowNumber]

• 插入计算列：If([Quantity]>Min([Quantity]) over (Previous([RowNumber])),"TRUE","FALSE")

<强>结果

+------------+---------+----------+------------------+-------------------+-----------+-------------------------+
|    Date    | Product | Quantity | ProductRowNumber | IncreasingProduct | RowNumber | IncreasingEntireDataSet |
+------------+---------+----------+------------------+-------------------+-----------+-------------------------+
| 11/01/2016 | a       |        0 |                1 |                   |         1 |                         |
| 11/02/2016 | a       |        1 |                2 | TRUE              |         2 | TRUE                    |
| 11/03/2016 | a       |        2 |                3 | TRUE              |         3 | TRUE                    |
| 11/04/2016 | a       |        3 |                4 | TRUE              |         4 | TRUE                    |
| 11/05/2016 | a       |        4 |                5 | TRUE              |         5 | TRUE                    |
| 11/06/2016 | a       |        5 |                6 | TRUE              |         6 | TRUE                    |
| 11/07/2016 | a       |        6 |                7 | TRUE              |         7 | TRUE                    |
| 11/08/2016 | a       |        7 |                8 | TRUE              |         8 | TRUE                    |
| 11/09/2016 | a       |        8 |                9 | TRUE              |         9 | TRUE                    |
| 11/10/2016 | a       |        9 |               10 | TRUE              |        10 | TRUE                    |
| 11/11/2016 | a       |       10 |               11 | TRUE              |        11 | TRUE                    |
| 11/12/2016 | b       |        0 |                1 |                   |        12 | FALSE                   |
| 11/13/2016 | b       |        1 |                2 | TRUE              |        13 | TRUE                    |
| 11/14/2016 | b       |        2 |                3 | TRUE              |        14 | TRUE                    |
| 11/15/2016 | b       |        3 |                4 | TRUE              |        15 | TRUE                    |
| 11/16/2016 | b       |        4 |                5 | TRUE              |        16 | TRUE                    |
| 11/17/2016 | b       |        5 |                6 | TRUE              |        17 | TRUE                    |
| 11/18/2016 | b       |        4 |                7 | FALSE             |        18 | FALSE                   |
| 11/19/2016 | b       |        3 |                8 | FALSE             |        19 | FALSE                   |
| 11/20/2016 | b       |        2 |                9 | FALSE             |        20 | FALSE                   |
| 11/21/2016 | b       |        3 |               10 | TRUE              |        21 | TRUE                    |
| 11/22/2016 | c       |        0 |                1 |                   |        22 | FALSE                   |
| 11/23/2016 | c       |        1 |                2 | TRUE              |        23 | TRUE                    |
| 11/24/2016 | c       |        2 |                3 | TRUE              |        24 | TRUE                    |
| 11/25/2016 | c       |        3 |                4 | TRUE              |        25 | TRUE                    |
| 11/26/2016 | c       |        2 |                5 | FALSE             |        26 | FALSE                   |
| 11/27/2016 | c       |        1 |                6 | FALSE             |        27 | FALSE                   |
| 11/28/2016 | c       |        2 |                7 | TRUE              |        28 | TRUE                    |
| 11/29/2016 | c       |        2 |                8 | FALSE             |        29 | FALSE                   |
+------------+---------+----------+------------------+-------------------+-----------+-------------------------+