National EMSC Data Analysis Resource Center
Remember, there's nothing worse than losing your data!
Before you begin any work with your data, even simple validity checks, be sure to save your original file in a safe place and use a master copy to do any work.
Here are some simple checks:
We promise, skipping this step will always come back to bite or burn (which ever is applicable).
Assess Your Statistical Resources >>
rev. 15-Jul-2006