Data Cleaning and Variable Screening Quick Start Complete Process Description The data cleaning pipeline consists of the following 11 steps, each executed independently without deleting the original data: 1. Get Data - Load and format raw data 2. Organization Sample Analysis - Statistics of sample count and bad sample rate for each organization 3. Separate OOS Data - Separate out-of-sample (OOS) samples from modeling samples 4. Filter Abnormal Months - Remove months with insufficient bad sample count or total sample count 5. Calculate Missing Rate - Calculate overall and organization-level mi…