- Remove corrupt, irrelevant, duplicated or inaccurate records from the dataset or table.
- Fix spelling and syntax errors.
- standardize data sets, and correcting mistakes.
- Highlight Errors.
- Change Text to Lower/Upper/Proper Case.
- Spell Check.
- Delete all Formatting.
- Filter unwanted outliers and then modify or fill missing values.
- By used python and excel and other advanced methods.