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SKILL verified MIT Self-run

Pivot Table Cross Analysis

skill-opensensenova-sensenova-skills-pivot-table-analysis · by OpenSenseNova

利用交叉表与热力图对分类数据进行多维度占比分析,适用于奖项分布、绩效评估或市场占有率等结构化数据的清洗与可视化。

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Install

$ agentstack add skill-opensensenova-sensenova-skills-pivot-table-analysis

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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Reliability & compatibility

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Declared compatibility

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About

Step1 对原始数据进行清洗与重构,处理 Excel 合并单元格导致的缺失值,并筛选核心分析列。

import pandas as pd

def preprocess_pivot_data(file_path, target_cols=['奖项', '项目名称', '成员', '单位']):
    """
    清理并重构数据列,处理合并单元格填充。
    """
    df = pd.read_excel(file_path)
    # 映射通用列名
    df.columns = target_cols
    
    # 关键技巧:处理合并单元格。ffill 前需确保数据按原始分类顺序排列
    # 假设第一列为分类标签(如奖项名称)
    df[target_cols[0]] = df[target_cols[0]].fillna(method='ffill')
    
    # 删除关键信息(如成员或单位)缺失的无效行
    df = df.dropna(subset=[target_cols[2], target_cols[3]])
    
    # 清洗字符串空格
    for col in df.select_dtypes(['object']).columns:
        df[col] = df[col].str.strip()
        
    return df

Step2 构建交叉分析表(Crosstab),计算不同维度下的频数分布及百分比占比。

def create_cross_analysis(df, index_col='单位', columns_col='奖项'):
    """
    构建交叉表并计算各分类维度的获奖/分布比例。
    """
    # 生成频数统计交叉表
    cross_table = pd.crosstab(df[index_col], df[columns_col])
    
    # 计算占比:各列(奖项)下各行(单位)的分布比例
    # div(axis=1) 表示按列求和后进行除法
    award_proportions = cross_table.div(cross_table.sum(axis=0), axis=1) * 100
    
    # 技巧:生成带有总计行和占比的汇总表
    summary = cross_table.copy()
    summary['总计'] = summary.sum(axis=1)
    summary.loc['合计'] = summary.sum()
    
    return cross_table, award_proportions, summary

Step3 配置中文字体并生成热力图可视化,直观展示各维度间的分布差异。

import matplotlib.pyplot as plt
import seaborn as sns

def generate_analysis_heatmap(proportions, output_path='analysis_heatmap.png'):
    """
    生成高分辨率热力图,支持中文字体显示。
    """
    # 关键技巧:中文字体配置,兼容不同系统环境
    plt.rcParams['font.sans-serif'] = ['SimHei', 'WenQuanYi Zen Hei', 'DejaVu Sans']
    plt.rcParams['axes.unicode_minus'] = False
    
    plt.figure(figsize=(14, 10))
    
    # 使用 Seaborn 绘制热力图,fmt='.2f' 保留两位小数
    sns.heatmap(
        proportions, 
        annot=True, 
        fmt='.2f', 
        cmap='YlGnBu', 
        linewidths=.5,
        cbar_kws={'label': '占比 (%)'}
    )
    
    plt.title('多维度分类占比分布热力图', fontsize=15, pad=20)
    plt.xlabel('分类维度 (Columns)', fontsize=12)
    plt.ylabel('分析对象 (Index)', fontsize=12)
    
    # 自动调整布局防止标签裁剪
    plt.tight_layout()
    plt.savefig(output_path, dpi=300, bbox_inches='tight')
    plt.close()

Step4 执行综合分析算法,提取各维度的 Top-N 表现对象并计算整体排名。

def extract_performance_insights(proportions, top_n=3):
    """
    分析各奖项/分类下的领先者,并计算整体加权表现。
    """
    insights = {}
    
    # 1. 提取每个分类维度的前 N 名
    top_performers = {}
    for category in proportions.columns:
        top_list = proportions[category].sort_values(ascending=False).head(top_n)
        top_performers[category] = top_list.to_dict()
    
    # 2. 计算整体表现排名(基于所有维度的平均占比)
    overall_performance = proportions.mean(axis=1).sort_values(ascending=False)
    
    insights['top_by_category'] = top_performers
    insights['overall_ranking'] = overall_performance.head(10).to_dict()
    
    return insights

Step5 导出分析结果为 Excel 多工作表格式,并提供下载链接。

from IPython.display import FileLink

def export_results(cross_table, proportions, insights_df, file_name='analysis_report.xlsx'):
    """
    将分析结果保存至 Excel 并在环境中生成下载链接。
    """
    with pd.ExcelWriter(file_name) as writer:
        cross_table.to_excel(writer, sheet_name='频数统计')
        proportions.to_excel(writer, sheet_name='占比分析')
        insights_df.to_excel(writer, sheet_name='综合排名')
    
    return FileLink(file_name)

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.