Endurance.Net Ridecamp Archives

I think the issue at question is three fold the FEI rides vs. non-FEI
rides. The second question is FEI selection or championship rides and
AERC "big rides" like the NC. The third is comparison of the completion
rate of the category of riders riding the FEI portion of rides or riding
FEI only rides vs. the category of riders riding the AERC portion of
rides or AERC only rides. By an FEI ride for a joint sanctioned AERC/FEI
ride you would need to separate out the riders who are riding the FEI
portion. That information is not in the AERC database since the AERC
does not keep FEI statistics.

I suspect that what you would find is FEI rides have a lower competition
rate. There are a lot of standard statistics that would provide
information on these questions - the problem is the getting the data to
input to them. It would not take long to crunch the numbers - it would
take quite awhile to amass the data to put into the numbers.

Truman

k s swigart wrote:
> Dawn Carrie said in comparing the completion rate of less than 30% for
> the FEI riders on the same course:
>
>   
> > Interestingly, the 5 non-FEI riders had an 80%
> > completion rate.  Something to think about?
> >     
>
> However, to answer her question, because the sample size is so small,
> the difference between the completion rates of the FEI riders and the
> non-FEI riders is probably not statistically significant.
>
> When I did a comparison of two years worth of statisitics (instead of
> just one small ride) where there were both FEI riders and non-FEI riders
> at the same rides, the completion rates for both groups came out to be
> about the same...about 60%, like it is for all 100 mile rides that the
> AERC has stats for.
>
> I asked the same question about 6 months ago when the completion rate of
> FEI riders at Ft. Howes was so much lower than that of the non-FEI
> riders, but investigation of a larger sample size did not bear out any
> such difference.
>
> The difference in the ride this week in New Mexico can most likely be
> attributed to random chance.
>
> Somebody with access to the actual statistics and their variability
> could actually do the math to determine whether the difference is
> statistically significant, but I am willing to bet that it is not...even
> though on the face of it, the difference seems huge.
>
> When dealing with small sample sizes, little differences can seem huge
> because just one rider can make such a huge difference in the
> percentages (e.g. only one more than the average number of riders
> completing finished the non-FEI portion of the ride, yet this one rider
> made the completion rate for the non-AERC portion of the ride appear
> huge).
>
> kat
> Orange County, Calif.
> :)
>
>
>
>
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--

“It doesn't matter how beautiful your theory is, it doesn't matter how
smart you are. If it doesn't agree with experiment, it's wrong” Richard
Feynman, Nobel Laureate in Physics



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