Data Cleaning & Preprocessing
تفاصيل العمل
1. Raw data ingestion (CSV, Excel, JSON, SQL, text) 2. Handling missing values (removal, imputation, forward fill) 3. Duplicate detection and removal 4. Data consistency check (formats, units, categories) 5. Fixing errors and data types 6. Data transformations (scaling, normalization, encoding) 7. Outlier detection and treatment (IQR, Z-score) 8. Final validation and summary report
مهارات العمل
بطاقة العمل
طلب عمل مماثل
