Power BI：如何统计列中值的出现次数？实操问题求助

Hey Bruno, let's get that order count sorted out for you—since you're new to Power BI, it's easy to get tripped up by filter context and column formatting, so let's break this down step by step.

First, Diagnose the Issues with Your Existing Formulas #

• Your first calculation column used COUNT('Billing KPIs'[index])—if your index column has null values or duplicates that don't align with each order row, this might throw off the count. Using COUNTROWS or directly counting the order_id column is more reliable here.
• The measure you tried (SUMX(VALUES(Data[User]), CALCULATE(COUNT(Data[Group])))) is designed to count groups per user, which has nothing to do with tracking order occurrences—so that's why it didn't work for your use case.

Step 1: Verify Your Order ID Format #

First, double-check your order_id column type: if it's stored as a number, leading zeros (like the 0 in 0625140) get stripped automatically. This means some rows that look like they belong to 0625140 might actually be stored as 625140, breaking your count.

• Fix this by changing the column type to Text (right-click the column > Change Type > Text). If there are hidden spaces in order IDs, add a cleaning column first:

  Cleaned Order ID = TRIM('Billing KPIs'[order_id])
  

  Use this cleaned column for all your counting formulas.

Step 2: Working Calculation Column (Show Count on Every Row) #

If you want every row to display how many times its order ID appears in the table, use this calculation column:

Order Occurrences = 
CALCULATE(
    COUNTROWS('Billing KPIs'),
    ALLEXCEPT('Billing KPIs', 'Billing KPIs'[Cleaned Order ID])
)

• ALLEXCEPT keeps only the filter for the current row's order ID, removing all other filters (like user IDs) so you get the total count across the entire table.
• Alternatively, a more straightforward version using EARLIER to reference the current row's order ID:

  Order Occurrences = 
  COUNTROWS(
      FILTER(
          'Billing KPIs',
          'Billing KPIs'[Cleaned Order ID] = EARLIER('Billing KPIs'[Cleaned Order ID])
      )
  )
  

Step 3: Working Measure (For Visualizations) #

If you want to display order counts in a table, card, or other visualization (instead of on every row), use this measure:

Total Order Occurrences = 
CALCULATE(
    COUNT('Billing KPIs'[Cleaned Order ID]),
    ALLEXCEPT('Billing KPIs', 'Billing KPIs'[Cleaned Order ID])
)

• When you add Cleaned Order ID to your visualization and this measure, it will show the total number of times each order appears in your dataset.

Quick Check to Confirm Data #

Before assuming the formula is wrong, verify that 0625140 actually has 3 rows:

• Use the Filter pane to filter your table to Cleaned Order ID = "0625140" and count the visible rows manually. If there aren't 3 rows, you might have data inconsistencies to fix first!

内容的提问来源于stack exchange，提问作者Bruno