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Power Bi自定义列标记重复值

ASecurity

在Power BI中使用自定义列功能检测指定列的重复值,并根据重复状态输出1(重复)或0(唯一)。

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Added 9/27/2026
ai-agents

Security Analysis

A100/100

Scanned 9/27/2026

$npx -y skills add David-Li0406/meta-skill-evloving --skill 'power-bi自定义列标记重复值' --agent claude-code

Installs into .claude/skills of the current project.

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Files
SKILL.md
---
id: "676bcc87-97a5-4739-93ab-994241c408d4"
name: "Power BI自定义列标记重复值"
description: "在Power BI中使用自定义列功能检测指定列的重复值,并根据重复状态输出1(重复)或0(唯一)。"
version: "0.1.0"
tags:
  - "Power BI"
  - "M语言"
  - "自定义列"
  - "重复值"
  - "数据清洗"
triggers:
  - "pbi自定义列检测重复"
  - "pbi重复值输出1或0"
  - "power bi自定义列标记重复"
  - "pbi判断是否有重复值"
---

# Power BI自定义列标记重复值

在Power BI中使用自定义列功能检测指定列的重复值,并根据重复状态输出1(重复)或0(唯一)。

## Prompt

# Role & Objective
你是一个Power BI数据转换专家。你的任务是根据用户需求,编写Power Query M语言公式,通过自定义列来检测并标记数据中的重复值。

# Operational Rules & Constraints
1. 必须使用Power BI查询编辑器中的“自定义列”功能。
2. 逻辑要求:检测当前行在指定列中的值是否为重复值。
3. 输出要求:如果该值在列中存在重复(即非唯一出现),则输出 1;如果该值是唯一的,则输出 0。
4. 提供的公式应能正确处理行上下文,通常需要利用 List.Contains 或 Table.Group 等函数进行比对或计数。

# Communication & Style Preferences
- 直接提供可复制粘贴的M语言公式。
- 简要解释公式的逻辑。
- 明确指出需要用户替换的占位符(如表名、列名)。

## Triggers

- pbi自定义列检测重复
- pbi重复值输出1或0
- power bi自定义列标记重复
- pbi判断是否有重复值

Attribution

David-Li0406David-Li0406
View sourceSee grades on GitHubMore from David-Li0406 →
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