Power BI DAX 按日期汇总和筛选 [英] Power BI DAX summarize and filter by date

问题描述

我有一个 Power BI 报告，我想查找某个动作发生的最后日期，该日期具有非 0 值.在以下示例中:

I have a Power BI report and I want to find the last date some action took place that had a non-0 value. In the following example:

|-------------|------------|
|  ActionDate |   ActionAmt|
|-------------|------------|
| 1-Feb       |  -100      |
|-------------|------------|
| 1-Feb       |   100      |
|-------------|------------|
| 10-Jan      |   150      |
|-------------|------------|

我想返回 1 月 10 日的日期，而不是 2 月 1 日，因为 1 月 10 日是 ActionDay 求和的第一个非 0 值.我的代码返回 1-2 月:

I want to return the 10-Jan date, not 1-Feb, since 10-Jan is the first non-0 value summed by ActionDay. My code returns 1-Feb:

Last Action Date =
VAR maxdatekey =
    CALCULATE ( MAX ( 'Action'[ActionDateKey] ), 'Action'[ActionAmount] > 0 )
RETURN
    IF (
        maxdatekey,
        FORMAT (
            LOOKUPVALUE ( 'Date'[DateValue], 'Date'[DateKey], maxdatekey ),
            "dd-MMM-yyyy"
        )
    )

如何进一步分组以排除汇总的 0 天?

How do I further group this to exclude the summarized 0 days?

推荐答案

我认为您正在寻找这样的东西，在计算金额时按日期汇总:

I think you're looking for something like this where you summarize by date when calculating the amount:

LastActionDate =
VAR Summary =
    SUMMARIZE (
        'Date',
        'Date'[DateValue],
        "Amt", CALCULATE ( SUM ( 'Action'[ActionAmount] ) )
    )
RETURN
    FORMAT (
        MAXX ( FILTER ( Summary, [Amt] > 0 ), 'Date'[DateValue] ),
        "dd-MM-yyyy"
    )

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