1. #8: Time-series analysis
  2. review of previous class
  3. today's topics
  4. time in measurement
  5. clock uncertainty
  6. PC clock
  7. clock drift
  8. alternative clocks
  9. OS time management
  10. UNIX gettimeofday
  11. NTP(Network Time Protocol)
  12. NTP synchronization modes
  13. NTP symmetric protocol
  14. NTP system model
  15. BPF timestamp on BSD Unix
  16. time-series analysis of network traffic
  17. autocorrelation of network traffic
  18. autocorrelation and lag plot
  19. autocorrelation
  20. stationary process
  21. white noise
  22. non-stationary process
  23. power spectral density
  24. characteristics of power spectral density
  25. short-range dependence and long-range dependence
  26. self-similar traffic
  27. self-similarity in network traffic
  28. previous exercise: linear regression
  29. script for linear regression
  30. adding the least squares line to scatter plot
  31. today's exercise: autocorrelation
  32. computing autocorrelation functions
  33. autocorrelation computation code
  34. autocorrelation plot
  35. today's exercise 2: traffic analysis
  36. plotting time-of-day traffic
  37. script to extract time-of-day traffic
  38. plot script for time-of-day traffic
  39. plotting time-of-day traffic for each day of the week
  40. script to extract time-of-day traffic for each day of the week
  41. plot script for each day of the week
  42. correlation coefficient matrix among days of the week
  43. script to compute correlation coefficient matrix
  44. assignment 2: twitter data analysis
  45. twitter data sets
  46. items to submit
  47. sort command
  48. summary
  49. next class