pandas-cleaning

Clean and standardize messy tabular data into normalized DataFrames and formatted .xlsx files.

12|4|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/markus41/Claude-m --skill pandas-cleaning
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pandas-cleaning
Source: https://github.com/markus41/Claude-m/tree/main/excel-automation/skills/pandas-cleaning
Command: npx skills add https://github.com/markus41/Claude-m --skill pandas-cleaning

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Messy tabular data with inconsistent headers, mixed types, and many nulls is cleaned and standardized.

Core Features & Use Cases

  • Column normalization to snake_case for consistent downstream processing.
  • Type coercion for numeric, datetime, and boolean columns, with robust handling of mixed types.
  • Null handling and deduplication to produce reliable datasets ready for analysis.
  • Output polished .xlsx files with professional OpenPyXL formatting.

Quick Start

Run the pandas-cleaning workflow on a messy_input.csv to generate clean_output.xlsx with labeled headers and formatted cells.

Frequently Asked Questions about pandas-cleaning

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

FAQPage Schema
How do I clean messy CSV data with inconsistent headers and mixed types using pandas?

Cleaning messy CSV data with pandas involves column normalization to snake_case, type coercion for numeric and datetime fields, and null handling to produce standardized DataFrames. This workflow resolves inconsistent headers and mixed types, resulting in reliable datasets ready for analysis.

Can pandas convert a messy JSON export into a formatted Excel file?

Pandas can convert messy JSON exports into formatted Excel files by loading data into DataFrames, applying string cleaning and deduplication, and utilizing openpyxl-based formatting to output a polished .xlsx file. This produces ready-to-use worksheets with professional cell formatting.

What is the best way to handle null values and duplicate rows in a Dataverse dump?

Handling null values and duplicates in a Dataverse dump requires applying robust null handling and deduplication logic during the data cleaning process. This standardizes tabular data and removes redundant entries, yielding a reliable, normalized dataset ready for analysis.

Does this data cleaning workflow support Parquet files or only CSV and Excel inputs?

This data cleaning workflow supports Parquet files alongside CSV, Excel, JSON, and API responses. It processes these varied inputs to normalize columns and coerce types, ultimately outputting polished .xlsx files with professional openpyxl formatting.

Why are my numeric columns being read as strings when cleaning mixed type data in pandas?

Numeric columns are read as strings due to mixed types within the column. This data cleaning workflow applies robust type coercion for numeric, datetime, and boolean columns, resolving mixed type inconsistencies and ensuring proper data typing in the final DataFrame.