excel-basic-statistics-and-routing

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。

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]