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Edingburgh Faux Pas Could Render Their Speed Cameras Useless
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M8TJT
The Other Tired Old Man
The Other Tired Old Man


Joined: Apr 04, 2006
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Location: Bexhill, South Sussex, UK

PostPosted: Fri Jan 16, 2015 11:30 am    Post subject: Reply with quote

pdfbt40 wrote:
As a branch of Mathematics, Statistics (like any Science or Engineering) has many rules on correct application and presentation. If these are properly followed and explained fully.
Agreed. But they are not usually explained properly. They are all too often taken completely out of context and without explanation to 'support' a dubious theory or proposal without any allowance for regression to the norm after an unexpected peak/trough. It's only the unexpected peak/trough that's ever latched on to by the politicians to support their lies/partial truths.
Like the 20Mph thing. If all roads were made 20Mph, the KSI figures would obviously go up for 20Mph 'zones'. As you say, KSI/mile might be a better figure to use but far less dramatic to support the case for an even lower speed limit or whatever.
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DennisN
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PostPosted: Fri Jan 16, 2015 11:56 am    Post subject: Reply with quote

But surely, Statistics is a branch of politics?

The KSI/mile statistics for chickens on my road prove that it's safe for chickens to cross the road. On Tuesdays.
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legalspeed
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PostPosted: Fri Jan 16, 2015 12:59 pm    Post subject: Reply with quote

I note the comments by M8TJT that political ends take no notice of facts, and JC50's all motorised vehicles to be preceded by a man with a red flag. I appreciate that it's slightly off topic, but please don't wish too heartily for it to happen. It surely won't be to long before some vote seeking ambitious politician reads this, picks up on the idea and proposes the red flag re-introduction on the grounds that, at a stroke, 1) it will create jobs and reduce unemployment.(one red flag carrier for every vehicle on the road. We might even have to encourage immigration to make up the shortfall.) 2) It will cut down, or even eliminate speed related accidents.(pretty much everyone would survive a 4 or 5 mph collision). 3) It will cut down the rate of obesity and improve the fitness of the previously unemployed, who will now become earners and taxpayers, much to the pleasure of the treasury, and become less of a burden on the NHS. 4) It will allow the education system to no doubt offer degrees in "red flag controlled traffic management", or similar. No doubt other readers can offer what other advantages would flow from such legislation? (I must say that my tongue really is in my cheek as I write this, but knowing how low some politicians will go in ignoring facts to get votes, I wouldn't be at all surprised if someone actually proposed what is essentially this madness).
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unwanted
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PostPosted: Fri Jan 16, 2015 1:00 pm    Post subject: Reply with quote

Ive found the slower I go the higher the chances of a car pulling out on me, and higher chance of a pedestrian walking into the road to cross... no traffic behind me of course... just ignoring the fact Im actually there... its just a case of they cannot be arsed to wait...
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DennisN
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PostPosted: Fri Jan 16, 2015 1:06 pm    Post subject: Reply with quote

Obviously you are not going fast enough - whip your red flag man more. Recent statistics prove that the more you whip your red flag man, the thinner he gets. The big problem though, is that with all these zero hours workers (lazy beggars, why can't they work for at least SOME hours?) you can't be sure of getting the same one each time - might end up flogging a dead horse.
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M8TJT
The Other Tired Old Man
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PostPosted: Fri Jan 16, 2015 3:14 pm    Post subject: Reply with quote

unwanted wrote:
Ive found the slower I go the higher the chances of a car pulling out on me, and higher chance of a pedestrian walking into the road to cross.
This sounds like the old adage that the faster you go through a red light the better. The theory being that you are exposed to the dangers of a collision for less time, so it is less likely to happen. Shocked
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DennisN
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PostPosted: Fri Jan 16, 2015 3:27 pm    Post subject: Reply with quote

Keep up lad - that's as obviously true as anything we've seen for ages. Doesn't even need any statistics to prove it.
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