niklasvm

The way that the beta is calculated is completely mathematical. Its the linear regression beta coefficient based on the top group of riders that did both the Argus and the race in question. It assumes that the riders should perform in the same way. The only thing i worry about is that the spread (variance) of the times changes for every race depending on its course. Also some riders do worse and others get better. I'm note sure how this would affect things either.

For the argus seeding do they only use the previous year's results or older ones as well? I've only done this year's argus with a bad time but then did reasonably well in Die Burger. I got an index of 23.4 for the burger. Last year, people who got that index were seeded quite well for the Argus (A - H). And i'm guessing that everyone wants to be there so they can aim for the sub 3 so I'm hoping I make the cut. How can an accurate seeding index actually be calculated if not everyone did all the races in the alphapharm series. A standard linear regression would need everyone to have done every race. Alternatively maybe they just rank everyone based on their past ability and then sub-divide them into groups. It would be interesting to see how PPA groups A - J are seeded in the argus. As far as i know the rest of the PPA members are just seeded then in the P groups

I emailed PPA and Racetec and showed them my results with some statistical perspective. They bumped me from an N to an F and now i'm exactly where i need to be.

wasn't it actionphoto.net that photographed the race yesterday?

Well done. I think the conditions did turn out perfect although it did feel like the wind was constantly from the front. The climb before Malmesbury also made things interesting. I made sure I arrived extra early at 5am to park at the start. But it must have been terrible to accommodate 4000 people's worth of cars.

Thats possible, i just checked and the cluster has play in it if you move it around with your hand so its definitely not bent. hopefully it'll just be a minor operation to bend the hangar and tighten the lockring

I'm not quite sure what that is. i've never taken it apart before. I had a light fall on the bike today and it caused the gears to go a bit funny but I re-set them, the gears are fine now but chain jumps around when its at the wrong angle. i'm gonna go have it checked out asap as i'm doing DC on Saturday. I haven't really inspected my bike for a while so it could have been like this for some time.

Could it not be the spacer maybe? How does something like this change from one day to the next?

Hi I noticed today that my cluster had a slight misalignment in it making some of the gears jump. Is this something simple to fix? What could cause it? Any advice would be greatly appreciated. Thanks in advance.

Thanks

Does anyone know if there are photos available for the Durbanville High race last weekend. I saw tons of photographers on route but haven't found any online.

Awesome photos!

I called them yesterday and they said that their new numbers have arrived and we can reseed and get numbers before sunday

the wind was terrible towards the end

I just entered without hassles

I was under the impression that that road had been fully tarred.

We heading out to Hermanus this weekend. Does anyone know of some good road routes that are about 100km long?

Are there any other photos available?