在 PowerBI 中获取每组的百分位数

问题描述 投票:0回答:1

我正在尝试计算一大组债券 ISIN 的买入/卖出价格的百分位数。具体来说,我的数据格式如下:

证券 Px出价 Px问 Px中 群组ID Q1 Q3
AT0000A04967 113.598 114.198 113.898 1 113.7073 114.0221
AT0000A04967 113.684 114.152 113.918 1 113.7073 114.0221
AT0000A04967 113.878453 114.090701 113.984577 1 113.7073 114.0221
AT0000A04967 113.777 114.239 114.008 1 113.7073 114.0221
AT0000A04967 113.809 114.209 114.009 1 113.7073 114.0221
AT0000A04967 113.53 114.53 114.03 1 113.7073 114.0221
AT0000A04967 113.795 114.295 114.045 1 113.7073 114.0221
AT0000A04967 114.07 114.07 114.07 1 113.7073 114.0221
AT0000A04967 114.1 114.1 114.1 1 113.7073 114.0221
AT0000A04967 114.105 114.185 114.145 1 113.7073 114.0221
AT0000A0U3T4 100.355 100.355 100.355 2 100.2763 100.3445
AT0000A0U3T4 100.257 100.457 100.357 2 100.2763 100.3445
AT0000A0U3T4 100.28 100.435 100.358 2 100.2763 100.3445
AT0000A0U3T4 100.284 100.434 100.359 2 100.2763 100.3445
AT0000A0U3T4 100.275 100.443 100.359 2 100.2763 100.3445
AT0000A0U3T4 98.86 101.86 100.36 2 100.2763 100.3445
AT0000A0U3T4 100.311 100.411 100.361 2 100.2763 100.3445
AT0000A0U3T4 100.313055 100.411003 100.362029 2 100.2763 100.3445
AT0000A0U3T4 100.37 100.37 100.37 2 100.2763 100.3445
AT0000A0U3T4 100.3748 100.3948 100.3848 2 100.2763 100.3445

我想计算每个 ISIN 的第 25 个和第 75 个百分位,例如对于如上表所示的组。我尝试过使用以下公式:

Q1 = PERCENTILEX.INC(
ALLSELECTED(CleansedBenchmark[Securities]),
CleansedBenchmark[PxBid],
0.25)

但这只会给我每行相同的出价:

证券 Px出价 Px问 Px中 群组ID Q1
AT0000A04967 113.598 114.198 113.898 1 113.598
AT0000A04967 113.684 114.152 113.918 1 113.684
AT0000A04967 113.878453 114.090701 113.984577 1 113.8785
AT0000A04967 113.777 114.239 114.008 1 113.777
AT0000A04967 113.809 114.209 114.009 1 113.809
AT0000A04967 113.53 114.53 114.03 1 113.53
AT0000A04967 113.795 114.295 114.045 1 113.795
AT0000A04967 114.07 114.07 114.07 1 114.07
AT0000A04967 114.1 114.1 114.1 1 114.1
AT0000A04967 114.105 114.185 114.145 1 114.105
AT0000A0U3T4 100.355 100.355 100.355 2 100.355
AT0000A0U3T4 100.257 100.457 100.357 2 100.257
AT0000A0U3T4 100.28 100.435 100.358 2 100.28
AT0000A0U3T4 100.284 100.434 100.359 2 100.284
AT0000A0U3T4 100.275 100.443 100.359 2 100.275
AT0000A0U3T4 98.86 101.86 100.36 2 98.86
AT0000A0U3T4 100.311 100.411 100.361 2 100.311
AT0000A0U3T4 100.313055 100.411003 100.362029 2 100.3131
AT0000A0U3T4 100.37 100.37 100.37 2 100.37
AT0000A0U3T4 100.3748 100.3948 100.3848 2 100.3748

我确信我在这里遗漏了一些愚蠢的东西,所以非常感谢您的帮助! 理想情况下,我希望将其放在同一个表中,但也许创建一个新表来存储每个 ISIN 的结果会更有效,我不确定。

powerbi dax data-analysis powerbi-desktop calculated-columns
1个回答
2
投票

如果这是您要添加到表中的计算列,请使用以下代码。

Q1 = 
CALCULATE(
PERCENTILEX.INC( 
    CleansedBenchmark,
    CleansedBenchmark[PxBid],
    0.25)
, ALLEXCEPT(CleansedBenchmark, CleansedBenchmark[Securities]))
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