python scripts/analyze_data.py
--input sales.csv
--output report.html
--group-by date


### Generate JSON Summary

```bash
python scripts/analyze_data.py \
  --input orders.json \
  --output summary.json

Scripts

analyze_data.py

Analyze CSV/Excel/JSON data and generate reports.

Arguments:

--input - Input data file
--output - Output report file
--group-by - Group data by field
--metrics - Metrics to calculate (comma-separated)
--format - Output format (html, json)

E-commerce Analytics

Taobao/Douyin Sales Analysis

# Daily sales report
python scripts/analyze_sales.py \
  --input taobao_orders.csv \
  --output daily_report.html \
  --group-by product \
  --metrics revenue,quantity,profit

# Monthly trend analysis
python scripts/generate_charts.py \
  --input monthly_sales.json \
  --charts line \
  --x-axis month \
  --y-axis revenue

Inventory Analysis

python scripts/inventory_analysis.py \
  --input stock_levels.csv \
  --output inventory_report.xlsx \
  --alert-low-stock 10

Customer Analytics

python scripts/customer_analysis.py \
  --input customers.csv \
  --output customer_segments.html \
  --segment-by purchase_frequency

Output Formats

HTML Report

Interactive report with charts and tables.

Excel Workbook

Multiple sheets with raw data, analysis, and charts.

CSV Export

Clean data for further processing.

Templates

Daily Sales Report

Total revenue
Order count
Top products
Hourly breakdown

Weekly Summary

Week-over-week comparison
Trend analysis
Top categories
Customer insights

Monthly Executive Report

KPI dashboard
Revenue breakdown
Growth metrics
Recommendations

Best Practices

Clean data first - Remove duplicates, handle missing values
Validate inputs - Check data types and ranges
Use appropriate charts - Match chart type to data
Label clearly - Add titles, axis labels, legends
Export in multiple formats - HTML for viewing, CSV for further analysis

Troubleshooting

Import errors: Install required packages (pandas, matplotlib)
Memory issues: Process large files in chunks
Chart rendering: Check output directory permissions
Date parsing: Ensure consistent date formats

data-analyzer

Data Analyzer

Overview

Features

Quick Start

Analyze Data