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Mark McLeod
02-26-2009, 10:53 AM
[cdm-description=photo]33124[/cdm-description]

Beth Sweet
02-26-2009, 10:54 AM
This is an interesting chart Mark

Question though, is it just the way the chart looks, or has the number of participants been decreasing since Dec 18?

ChuckDickerson
02-26-2009, 11:12 AM
Interesting plot. Do you mind posting the numbers or the spreadsheet in the white papers section?

Mark McLeod
02-26-2009, 11:17 AM
The last team (so far) that dropped out was only in the past few weeks, so yes there was a peak in # teams a week or two after registration officially closed, then it gradually dropped off as teams fail to garner funding, administration support, leadership, or students.

I've seen this happen every year. Last year the final team to show up as registered was actually a week after kickoff, and another team dropped out after the robots were shipped.

Mr. Lim
02-26-2009, 11:17 AM
Very interesting graph!

Just to clarify though, this is not a graph of total # of teams, but event registrations?

Meaning, a single team that registers for 3 event will be counted 3 times?

Mark McLeod
02-26-2009, 11:35 AM
No, you had it right the first time.This only tracks the total number of teams registered.
There are 1679 registered teams this year.

FIRST made it harder to quickly extract the data for team registrations for multiple events, so you'd have to do that footwork yourself. I think I have most of that data lying around, but scattered and uncompiled.

Very interesting graph!

Just to clarify though, this is not a graph of total # of teams, but event registrations?

Meaning, a single team that registers for 3 event will be counted 3 times?

P.S.
Just glancing over the numbers this doesn't appear to be even remotely the case. The trend is for teams to add more events, not drop them.

I'm wondering if the trend of more teams has actually been offset by teams attending fewer competitions each year.

Mark McLeod
02-26-2009, 11:54 AM
I can do that.
I'll probably just post the datapoint spreadsheet used to generate this graph.

Interesting plot. Do you mind posting the numbers or the spreadsheet in the white papers section?

gblake
02-26-2009, 10:35 PM
Has growth been nearly linear since 2005 at about 170 teams/year?

Care to plot the total teams/year vs year for us? I'm curious how that curve looks.

Blake

Mark McLeod
02-27-2009, 08:01 AM
CD doesn't allow additional images to be posted in this thread, but here are the numbers.
2005 was a doldrum year you'll see.


FRC Growth # Teams Net Gain % gain
1992 28 28 100.0%
1993 25 -3 -10.7%
1994 44 19 76.0%
1995 59 15 34.1%
1996 94 35 59.3%
1997 151 57 60.6%
1998 199 48 31.8%
1999 269 70 35.2%
2000 372 103 38.3%
2001 515 143 38.4%
2002 641 126 24.5%
2003 787 146 22.8%
2004 927 140 17.8%
2005 990 63 6.8%
2006 1132 142 14.3%
2007 1301 169 14.9%
2008 1501 200 15.4%
2009 1679 178 11.9%


P.S.
Most of this data got a going over in this thread (http://www.chiefdelphi.com/forums/showthread.php?threadid=69539).