Individual skill

excel-basic-statistics-and-routing

对多Sheet Excel文件进行基础统计与,支持按条件筛选计算均值,以及从指定行区间提取数据去重求和,并生成结果文件与下载链接。

skills/sn-da-excel-workflow/capability/excel-data-statistics/basic-statistics/SKILL.md

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## Skill Steps

> This sub-skill covers one capability of the Excel workflow. For reading/counting/Parquet optimization, see the parent workflow SKILL.md.

Step1 筛选指定分组数据,将目标列转换为数值类型并计算平均值。
```python
group_col = '班级'  # 占位示例
target_group_value = '358'  # 占位示例
target_cols = ['总分', '理数']  # 占位示例

if group_col not in df_analysis.columns:
    raise ValueError(f"数据中缺少'{group_col}'列。")
df_analysis[group_col] = df_analysis[group_col].astype(str)
filtered_df = df_analysis[df_analysis[group_col] == target_group_value]
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