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Leek romesf-2015

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We are all statisticians now - a presentation given at the Rome science festival. This talk highlights 3 key issues that all people should know about data analysis - the central dogma of inference, how graphs can be used/misused, and how confounders can cause problems.

Published in: Data & Analytics
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Leek romesf-2015

  1. 1. We are all statisticians now
  2. 2. Teaching Blogging Research
  3. 3. Teaching Blogging Research jhudatascience.org
  4. 4. Teaching Blogging Research simplystatistics.org @simplystats
  5. 5. Teaching Blogging Research jtleek.com
  6. 6. N = Number of Measurements
  7. 7. (€ / measurement) (€ you have) N =
  8. 8. “6 degrees of separation”
  9. 9. http://arxiv.org/pdf/0803.0939v1.pdf “6 7 degrees of separation”
  10. 10. 3 uncertainty graphs confounders
  11. 11. 1uncertainty
  12. 12. Population
  13. 13. Population Probability
  14. 14. Population Sample Inference Best guess
  15. 15. Population Sample Inference Could be this
  16. 16. Population Sample Inference …or this
  17. 17. Population Probability
  18. 18. Population Probability
  19. 19. Population Probability Inference
  20. 20. http://www.sciencemag.org/content/343/6176/1203
  21. 21. 2graphs
  22. 22. Higher accuracy
  23. 23. 3confounders
  24. 24. Small shoes Not literate Big shoes Somewhat literate
  25. 25. Shoe Size Literacy ??
  26. 26. Small shoes Not literate Young Big shoes Somewhat literate Middle aged
  27. 27. Shoe Size Literacy Age
  28. 28. Shoe Size Literacy Age
  29. 29. Variable1 Variable2 Confounder
  30. 30. Genes Longetivity Technology ??
  31. 31. 3 uncertainty graphs confounders
  32. 32. www.jtleek.com/talks Grazie

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