FOSS4G 2011 Denver Attendance Projections

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Attendance Projections

"Accurate" attendance projections are extremely important to the early success of a conference the size of FOSS4G.

Brain Storming


A = ((P * I) / (D)) * 1/E


  • A = number of attendees from a country
  • P = population of a country
  • I = Industrialization
    • GDP of the country
  • D = Travel Cost Distance from country
    • Price of airfare in local currency (somewhat intractable, proxy?)
  • E = Some unknown general economic factor
    • DJIA?

Will this work for States within the USA?

Correlating Factors

  • Economic Crisis

By Country

  • Population
  • Industrialization
    • GDP as proxy
  • Distance
    • Local vs. Distant
    • What is "local"?
  • Number of Code Contributors
    • Which projects?

By Region

  • Distance
  • Industrialization


One of the biggest decisions is what venue to hold the conference. Venues with larger capacities have a higher per-attendee cost. If we can come up with a reasonable range of number of attendees, we can make a better decision about the venue. The availability of a particular venue can also impact dates.

In Denver, there are several prospective venues: