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94.7 2013 Results bell curve


GaryvdM

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I allways wonder where I am on the results bell curve. So I hacked up a racetec screen scraper, import csv to libreoffice calc, and vola, a bell curve:

post-41865-0-86264600-1389910853_thumb.png

I also thought that it would interesting to see each group on the bell curve, but unfortunately it's unreadable. (Dito for age groups)

post-41865-0-16342700-1389910376_thumb.png

One thing you can see from this is that the earlier groups have much bigger bunches.

 

Looking at only a few groups at a time is quite interesting though: I'll see if I can come up with a way for you to turn individual groups on/off.

post-41865-0-93038100-1389910430_thumb.png

Each data point is 2 minutes. e.g. the for the first data point, 26 riders finished between 2:08:00 and 2:09:59.

 

P.s. Agteros: Sorry I cut your time off the graph, but otherwise it would have to be 3 times bigger :whistling:

Edited by GaryvdM
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Gary this is really cool, I have a few suggestions.

1. Increase the 2 min bin width to smooth the data a bit.

2. Change the y-axis to be a percentage- easier to interpret and compare e.g across groups

3. Show another version of the graph which shows cumulative distribution I.e total % of people finished by x time- would make it nice to see for example if I improve my time by say 5 minutes my position in distribution would change by say 6%.

4. It would be really cool to see the distribution for a couple of years.

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As far as I know there were only two times slower than 10 hours.

Could you do a bar graph on group sizes?

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