prev next front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |review
Despite efforts to secure the data quality, you may still discover errors and inconsistencies during analysis. If you have been maintaining and documenting command files, you can go back and modify the correction command file and rerun this and subsequent command files. If you have not been documenting and maintaining command files, then the procedure may be time consuming - and risky.