Data Transformation (Universal) Overview This skill enables you to perform comprehensive data transformations including cleaning, normalization, reshaping, filtering, and feature engineering. Unlike cloud-hosted solutions, this skill uses standard Python data manipulation libraries ( pandas , numpy , sklearn ) and executes locally in your environment, making it compatible with ALL LLM providers including GPT, Gemini, Claude, DeepSeek, and Qwen. When to Use This Skill - Clean and preprocess raw data - Normalize or scale numeric features - Reshape data between wide and long formats - Handle mis…