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Why the math question?
 
You are here: Usage › Overview › By Month

Usage: Overview

Table 1: User statistics
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
14,767 14,301 38% 30% 23% 9% 4,068 58% 3% 1% 37%
- Simulation Users 5
1,743 1,743 66% 12% 15% 6% 1,743 94% 3% 0% 3%
- Interactive Users 6
5,797 5,757 55% 19% 17% 9% 1,945 97% 3% 1% 0%
- Download Users 7
13,723 13,654 39% 29% 23% 9% 3,106 94% 4% 2% 0%
Total Users (old defn) 8
7,556 - - - - - - - - - -
Table 2: Simulation Usage
Simulation Users 5 1,743 users
Simulation Runs 33,096 jobs
Total CPU Time 122 days  
Total Wall Time 1,761 days  
Total Interaction Time 723 days  
Users with > 10 mins of CPU Time 260 users  
Avg. Number of Simulation Runs/User 19 jobs  
Avg. Time between First and last Simualtion 210 days  
Repeat Users with > 10 Simulation Jobs 726 users  
Repeat Users with > 3 Months 9 570 users  
Table 3: Miscellaneous Statistics
Domains Served 3,483
Cummulative Interactive User Sessions 10 14,114
Cummulative Session Time 1,195 days
Visitors 11 33,007
Visits 12 84,771
New Accounts 498
Max User Logins 465 users on 2010-02-09
Web Server Hits 7,784,709
Table 4: "and more" Usage
Type Users
Interactive Download
No data found.
Table 5: Collaboration Usage
Online Meetings 14 meeting sessions
45 participants
Shared Tool Sessions 13 15
New tools under development 4
Table 6: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
14,767 14,301 38% 30% 23% 9% 4,068 58% 3% 1% 37%
- Registered Users 2
2,442 2,049 66% 14% 13% 6% 2,039 23% 3% 0% 74%
- Unregistered Interactive Users 3
2,404 2,387 41% 26% 24% 9% 406 95% 3% 2% 0%
- Unregistered Download Users 4
9,921 9,865 32% 33% 25% 10% 1,623 94% 4% 3% 0%
  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. -
  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.

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