Analyzing Spreadsheets

Analyze Excel and CSV spreadsheet data for trends and KPI insights.

Updated Oct 18, 2025

Search Tags:#charts #reporting #data analysis #pandas #spreadsheet #excel #trends

Ready to run

npx skills add https://github.com/htuzel/claude-code-skills --skill analyzing-spreadsheets

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Analyzing Spreadsheets
Source: https://github.com/htuzel/claude-code-skills/tree/main/skills/spreadsheet-analysis
Command: npx skills add https://github.com/htuzel/claude-code-skills --skill analyzing-spreadsheets

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pandas, openpyxl, and includes references (resource) components.

What problem does it solve?

This Skill eliminates the manual effort of sifting through complex Excel spreadsheets, quickly identifying key trends and anomalies so you can focus on strategic decisions rather than tedious data crunching.

Core Features & Use Cases

Automated Data Inspection: Quickly understand the structure and content of your Excel workbooks and CSV files.
Trend Summarization: Automatically identify and summarize key performance indicators, trends, and outliers from your tabular data.
Chart Recommendations: Receive intelligent suggestions for appropriate chart types to visualize your data effectively, complete with column mappings.
Use Case: Upload your quarterly sales data, and get an immediate summary of regional performance, growth trends, and suggested visualizations for your next presentation, all without manual data manipulation.

Quick Start

Example: Inspecting an Excel workbook

import pandas as pd xl = pd.ExcelFile("input.xlsx") xl.sheet_names

Frequently Asked Questions about Analyzing Spreadsheets

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I automatically identify trends and anomalies in my Excel spreadsheet?▼

Spreadsheet analysis automates trend detection by loading your Excel or CSV data, cleaning it with standard validation steps, and producing summaries that highlight key performance indicators and outliers. This eliminates manual sifting through complex workbooks to spot patterns and anomalies.

Can I use pandas and openpyxl to analyze .xlsx files and extract insights?▼

Yes. pandas and openpyxl together load Excel workbooks, inspect sheet structure, and process tabular data. The Skill leverages both libraries to clean, validate, and summarize metrics, then recommend appropriate chart types for visualization.

What's the best way to get chart recommendations for my data visualizations?▼

Spreadsheet analysis evaluates your data structure and content, then recommends specific chart types with column mappings suited to your metrics. This removes guesswork from visualization design without manual experimentation.

How do I summarize KPIs and regional performance from quarterly sales data?▼

Load your CSV or Excel file, and the Skill automatically inspects the data, identifies regional and temporal trends, calculates key metrics, and generates concise summaries with supporting numbers—ready for strategic decisions or presentations.

Does spreadsheet analysis work with both CSV files and Excel workbooks?▼

Yes. The Skill accepts Excel (.xlsx) workbooks and CSV tabular data. It handles sheet loading, data cleaning, and validation across both formats to produce consistent trend summaries and visual recommendations.

What data preparation do I need before analyzing spreadsheets?▼

Your data should be in tabular form—columns represent fields, rows represent records. The Skill handles standard cleaning and validation steps internally, so structured CSV or Excel input with labeled columns is sufficient to begin.