excel-analyzer
Analyze and process Excel/CSV files using pandas and openpyxl.
Skill by malue-ai
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
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About
Use cases: spreadsheets, data
Reviews
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Permissions
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/excel-analyzer
What's inside
- Skill name
excel-analyzer- Description
- Analyze and process Excel/CSV files using pandas and openpyxl. Supports data summary, filtering, pivot tables, and chart generation.
- License
- MIT
- Instructions
- 107 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Excel 分析
帮助用户分析和处理 Excel/CSV 文件。
## 使用场景
- 用户说「帮我分析这个表格」「这个 Excel 里有多少条数据」
- 用户需要对表格做筛选、汇总、透视
- 用户想从 Excel 生成图表或报告
## 依赖安装
首次使用时自动安装:
```bash
pip install pandas openpyxl
```
## 执行方式
通过 Python 脚本使用 pandas 处理 Excel/CSV 文件。
### 读取文件
```python
import pandas as pd
# 读取 Excel
df = pd.read_excel("/path/to/file.xlsx", sheet_name=0)
# 读取 CSV
df = pd.read_csv("/path/to/file.csv")
# 查看基本信息
print(f"行数: {len(df)}, 列数: {len(df.columns)}")
print(f"列名: {list(df.columns)}")
print(df.head())
```
### 数据汇总
```python
# 基本统计
print(df.describe())
# 按列汇总
print(df.groupby("类别").agg({"金额": ["sum", "mean", "count"]}))
```
### 数据筛选
```python
# 条件筛选
filtered = df[df["金额"] > 1000]
# 多条件
filtered = df[(df["部门"] == "销售") & (df["金额"] > 500)]
```
### 导出结果
```python
# 导出到新 Excel
result.to_excel("/path/to/output.xlsx", index=False)
# 导出到 CSV
result.to_csv("/path/to/output.csv", index=False, encoding="utf-8-sig")
```
## 数据校验(必须执行)
分析前和分析后都要做数据校验,确保结果可信:
### 清洗后校验
```python
# 1. 行数校验:打印清洗前后行数,确认只去了空行/噪音行
print(f"清洗前: {len(df_raw)} 行 → 清洗后: {len(df_clean)} 行 (去除 {len(df_raw)-len(df_clean)} 行)")
# 2. 分类列去重:检查分类列(如地区、产品)是否有近似重复值
for col in categorical_columns:
unique_vals = df_clean[col].unique()
print(f"列 '{col}' 唯一值: {unique_vals}")
# 检查近似重复(如 "华东" vs "华东地区")
# 如有近似重复,合并为统一值
# 3. 聚合一致性校验:各分组 sum 必须等于总 sum
total = df_clean["金额"].sum()
group_total = df_clean.groupby("地区")["金额"].sum().sum()
assert abs(total - group_total) < 0.01, f"聚合不一致: 总额 {total} ≠ 分组合计 {group_total}"
```
### 报告校验
- 报告中引用的数字必须与清洗后数据一致
- 如有排名/占比,各项占比之和应约等于 100%
- 明确告知用户做了哪些清洗(统一了几种日期格式、去了多少空行等)
## 输出规范
- 先展示数据概览(行数、列数、列名)
- **明确告知清洗步骤**:做了什么修复、去了多少行、统一了什么格式
- 分析结果用表格格式展示
- 大数据集只展示前 10 行 + 汇总统计
- 导出文件时告知用户保存路径From malue-ai/dazee-small, MIT.
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Signals
- Stars
- 37
- Forks
- 2
- Open issues
- 3
- Last commit (this folder)
- Mar 7, 2026 (7 months ago)
- Last release
- Feb 26, 2026 (8 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/malue-ai/dazee-small
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
excel-analyzer skill. Agent Mart. https://agentmart.dev/skills/malue-ai-excel-analyzer (last updated 2026-10-24)