Install
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npx agentmarket install skill/claude-office-skills-data-cleaning
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About
Use cases: data
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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
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Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/data-cleaning
What's inside
- Skill name
data-cleaning- Description
- 数据清洗最佳实践 — 空值处理、去重、格式统一、异常值检测、分列操作
- License
- MIT
- Instructions
- 105 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
## 数据清洗操作规范
### 空值/空白处理策略
根据用户意图选择策略,不要自行决定删除数据:
```javascript
var ws = Application.ActiveSheet;
var ur = ws.UsedRange;
var lastRow = ur.Row + ur.Rows.Count - 1;
var lastCol = ur.Column + ur.Columns.Count - 1;
// 策略1: 删除整行空白行
for (var r = lastRow; r >= 2; r--) {
var empty = true;
for (var c = 1; c <= lastCol; c++) {
if (ws.Range(CL(c) + r).Value2 !== null && ws.Range(CL(c) + r).Value2 !== "") {
empty = false; break;
}
}
if (empty) ws.Range(r + ":" + r).Delete();
}
// 策略2: 用指定值填充空白
for (var r = 2; r <= lastRow; r++) {
if (ws.Range(CL(col) + r).Value2 === null || ws.Range(CL(col) + r).Value2 === "") {
ws.Range(CL(col) + r).Value2 = fillValue;
}
}
// 策略3: 用上一行值向下填充
for (var r = 3; r <= lastRow; r++) {
if (ws.Range(CL(col) + r).Value2 === null || ws.Range(CL(col) + r).Value2 === "") {
ws.Range(CL(col) + r).Value2 = ws.Range(CL(col) + (r - 1)).Value2;
}
}
```
### 去重逻辑
```javascript
// 按指定列去重,保留首次出现
var seen = {};
var delRows = [];
for (var r = 2; r <= lastRow; r++) {
var key = String(ws.Range(CL(keyCol) + r).Value2);
if (seen[key]) { delRows.push(r); }
else { seen[key] = true; }
}
for (var i = delRows.length - 1; i >= 0; i--) {
ws.Range(delRows[i] + ":" + delRows[i]).Delete();
}
// 多列组合去重
var key = cols.map(function(c) { return String(ws.Range(CL(c) + r).Value2); }).join("||");
```
### 格式统一
```javascript
// 日期格式统一(文本 → 标准日期)
var v = String(ws.Range(CL(c) + r).Value2);
// 处理 2024/1/5、2024.1.5、20240105 等变体
var m = v.match(/(\d{4})[\/\.\-]?(\d{1,2})[\/\.\-]?(\d{1,2})/);
if (m) {
ws.Range(CL(c) + r).Value2 = m[1] + "-" + ("0" + m[2]).slice(-2) + "-" + ("0" + m[3]).slice(-2);
}
// 数字格式统一
ws.Range(CL(c) + "2:" + CL(c) + lastRow).NumberFormat = "#,##0.00";
// 文本去空格/换行
var v = String(ws.Range(CL(c) + r).Value2).replace(/[\s\n\r]+/g, " ").trim();
```
### 异常值检测
```javascript
// IQR 方法检测异常值
var vals = [];
for (var r = 2; r <= lastRow; r++) {
var v = ws.Range(CL(c) + r).Value2;
if (typeof v === "number") vals.push(v);
}
vals.sort(function(a, b) { return a - b; });
var q1 = vals[Math.floor(vals.length * 0.25)];
var q3 = vals[Math.floor(vals.length * 0.75)];
var iqr = q3 - q1;
var lower = q1 - 1.5 * iqr, upper = q3 + 1.5 * iqr;
// 标记异常值(黄色背景)
for (var r = 2; r <= lastRow; r++) {
var v = ws.Range(CL(c) + r).Value2;
if (typeof v === "number" && (v < lower || v > upper)) {
ws.Range(CL(c) + r).Interior.Color = 0x00AAFF; // 橙黄标记
}
}
```
### 安全规则
- 清洗前询问用户策略,不要自行决定删除/修改
- 大范围操作建议先在新工作表预览结果
- 空值处理必须说明选择了哪种策略及原因From claude-office-skills/claude-office-plugin, MIT.
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Signals
- Stars
- 9
- Forks
- 3
- Open issues
- 0
- Last commit (this folder)
- Mar 9, 2026 (7 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
data-cleaning skill. Agent Mart. https://agentmart.dev/skills/claude-office-skills-data-cleaning (last updated 2026-10-24)