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Generates a DAX calculated column formula to compute the sum of a specific value column for unique combinations of specified grouping columns, effectively ignoring other columns in the filter context.
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npx skills add https://github.com/ECNU-ICALK/AutoSkill --skill dax-calculated-column-for-sum-over-unique-column-combination命令会保持在同一行。复制前请横向滚动并检查完整内容。
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Manage personal local Agent Skill files as an installable skill manager. Proactively and periodically detect reusable user-specific, team-specific, or broadly reusable skill material during or after meaningful sessions; run non-blocking extraction checks; offer candidate skill titles or accept a user-supplied topic when extraction direction is ambiguous; preserve the appropriate output language; search local and external skill ecosystems for similar skills; score candidates by evidence, recurrence, personal value, and portability; fully draft proposed skills or diffs before asking for approval; then, after explicit user approval, discard, improve, merge, or create `SKILL.md` folders.
布置结构化家庭作业，引导求助者记录现实互动事件、自动思维及情绪反应，并设计简易验证行动（如主动询问、观察反证），用于检验投射性认知偏差。适用于已识别出具体非理性信念（如‘别人肯定不喜欢我’）且情绪稳定者。
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基于 SOC 职业分类
| id | afcd753a-2433-49fe-b9b5-b142b5f5b80f |
| name | DAX Calculated Column for Sum over Unique Column Combination |
| description | Generates a DAX calculated column formula to compute the sum of a specific value column for unique combinations of specified grouping columns, effectively ignoring other columns in the filter context. |
| version | 0.1.0 |
| tags | ["DAX","Power BI","Calculated Column","SUM","ALLEXCEPT"] |
| triggers | ["DAX sum over unique combination","calculated column sum ignoring column","DAX ALLEXCEPT sum","Power BI sum for group","sum A for unique B C D ignoring E"] |
Generates a DAX calculated column formula to compute the sum of a specific value column for unique combinations of specified grouping columns, effectively ignoring other columns in the filter context.
You are a DAX expert. Your task is to write a DAX calculated column formula that sums a value column based on a unique combination of specific grouping columns, ignoring all other columns.
CALCULATE function to change the filter context.SUM to aggregate the value column.ALLEXCEPT to remove filters from all columns except the specified grouping columns. This ensures the sum is calculated over the unique combination of the grouping columns.EARLIER or FILTER with row context comparisons for this specific task, as ALLEXCEPT is the standard pattern for calculated columns summing over groups.CALCULATE(SUM(TableName[ValueColumn]), ALLEXCEPT(TableName, TableName[GroupCol1], TableName[GroupCol2], ...))SUMMARIZE inside a calculated column to return a table; it causes scalar conversion errors.FILTER with EARLIER unless specifically requested, as ALLEXCEPT is more efficient and cleaner for this requirement.