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Usage: Overview

Table 1: User statistics
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1 14,803 23,953 14,594 25,549 35,665 12,533 24,229 36,612 10,151 18,677 8,787 20,062 - - - - - - - - - - -
- Simulation Users 5 300 416 269 440 559 155 312 505 304 461 123 272 - - - - - - - - - - -
- Interactive Users 6 1,378% 833% 1,245% 1,520% 785% 1,314% 1,588% 491% 748% 963% 275% 917% - - - - - - - - - - -
- Download Users 7 2,116% 3,371% 2,460% 3,697% 5,092% 1,601% 2,934% 4,329% 1,358% 2,475% 1,870% 3,717% - - - - - - - - - - -
Table 2: Simulation Usage
No data found.
Table 3: Miscellaneous Statistics
No data found.
Table 4: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1 14,803 23,953 14,594 25,549 35,665 12,533 24,229 36,612 10,151 18,677 8,787 20,062 - - - - - - - - - - -
- Registered Users 2 80% 78% 113% 132% 31% 64% 101% 41% 49% 87% 67% 98% - - - - - - - - - - -
- Unregistered Interactive Users 3 206 109 200 260 87 197 273 41 80 85 16 97 - - - - - - - - - - -
- Unregistered Download Users 4 513% 902% 649% 1,293% 1,644% 397% 932% 1,430% 464% 707% 25% 303% - - - - - - - - - - -

  1. Sum of Registered Users2, Unregistered Interactive Users3 and Unregistered Download Users4
  2. Number of Users that logged in. User registration assigns a unique login to each individual user.
  3. Number of Unregistered Users, identified by unique hosts/IPs, that had an active Session 10 without logging in. Does not include known web bots/crawlers.
  4. Number of Unregistered users, identified by unique hosts/IPs, that had an active session of less than 15 minutes without logging in and downloaded a non-interactive resource such as PDF or podcast. Does not include web bots/crawlers.
  5. Number of Registered Users2 that ran one or more simulation runs.
  6. All Unregistered Users, identified by unique hosts/IPs, that had an active Session 10. Does not include known web bots/crawlers.
  7. All Unregistered users, identified by unique hosts/IPs that downloaded a non-interactive resource such as PDF or podcast. Does not include known web bots/crawlers.
  8. Sum of Simulation Users 5 + Unregistered Interactive Users 3 including web bots/crawlers.
  9. Number of Simulation users that returned after a gap of 3 months.
  10. Begins when an IP is active on the site for at least 15 minutes. Ends when inactive for more than 30 minutes, including time spent viewing videos.
  11. Identified by a unique IP address / hostname.
  12. Based on MIT OCW metric of Visits: A visit is activity by a unique visitor delimitated by a 30 minute absence from the site on either side of the activity.
    These visits correspond to unique visitors 11. Does not include known web bots/crawlers
  13. Number of Simulation sessions that were shared between 2 or more users.