1. George the Magnificent Prepare to Be Amazed!

3. Number Crunching: Or How I Learned I Wanted to Participate in Preservation Statistics George Blood Digital Conversion Interest Group American Library Association, Preservation and Reformatting Section San Francisco 2015

5. -regression to the mean -Gaussian distribution -standard deviation -agglomerative nesting -statistically significant -Shewhart charts -etc. Statistical Concepts

6. Why collect data? Why do data analysis? base lining quantify change resource allocation advocacy

7. Why collect data? Why do data analysis? You might consider that the collection of this data could be the highest value-added resource allocation, or process change you can make!

14. Improving the art of preservation

15. Risk Factors  Impact! Mold < 1% 50% With Record Tabs Intact

16. Average Durations Audiocassette: Reel: MiniDisc: Analog Disc: Microcassette: DAT: 53 Minutes 50 Minutes 60 Minutes 6 Minutes 30 Minutes 69 Minutes

18. Stylus Size

19. Speed: % from 78.26 rpm Speed / % (count) Pitch / % (count)

20. Do actions match words? We know some audio media are highly endangered due to inherent vice deterioration vectors. Are they being prioritized for digitization? Lacquer Discs DAT MiniDiscs

21. Columbia 35,766 Total Objects Other 0.21%

22. Indiana 364,867 Total Objects

23. Distribution of Objects

25. Media at Risk Actual process rate: 4% lacquer discs ~1% DAT ~1% MiniDisc

26. - reference requests - number of people in the reading room per hour - telephone inquiries - disasters responded to - track digitization against web activity and traffic in special collections Library Examples

27. How complicated does it have to be?

28. -Use a text program to print out sheets of paper with basic stats. -Assign someone to collate daily data handed in daily. -Download the Preservation Statistics from the website and use THAT form to gather information daily, weekly, monthly, per project, or as appropriate. - A GoogleDoc or other shared spreadsheet, anyone? If you keep up with it, completing the survey each year will take 10 minutes!

29. Why collect data? Why do data analysis? You might consider that the collection of this data could be the highest value-added resource allocation, or process change you can make!

30. Lies, Damn Lies and Statistics: Or How I Learned I Wanted to Participate in Preservation Statistics George Blood Digital Conversion Interest Group American Library Association, Preservation and Reformatting Section San Francisco 2015