13. Schema? Sure, I fax you
a screenshot
• There is a need for proper, formal
documentation
• For humans and machines
• Basis for validation—automate!
Friday, 7 June 13
14. • Encöding hell
• Schema? Sure, I fax you a screenshot
• Dupes and other fakes
• Sampling
Friday, 7 June 13
17. Dupes and other fakes
• Use plots to get an overview
• Watch out for outliers
• Try to establish source for errors and fix
• Document (in any case)
Friday, 7 June 13
18. • Encöding hell
• Schema? Sure, I fax you a screenshot
• Dupes and other fakes
• Sampling
Friday, 7 June 13
19. • My data is too big. I can’t check it all.
• Why don’t you sample, then?
Sampling
Friday, 7 June 13