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10 comments
Who is this Strava ?
What about more reliable stats and less PR ?
E.g. weather, topography, time, distance, redundancy, e-motor-bike, commute or workout ride, quality of the roads, security, etc.
Why have you got any concerns with the data? it's not saying there are more cyclists in one place, or another. Just that these are the numbers of Strava rides logged. It doesn't seem to me to be suggesting that it provides a comprehensive analysis of cycling behaviour, but that it does have millions of data entries from the people who do use it, and as it happens, it's being most heavily used in London.
Also, someone mentioned that Amsterdam speeds might be higher because it's smaller and therefore shorter journeys, but actually their average journeys are nearly 20km longer.
I've no concerns with the data itself, It's just the conclusions are a bit meaningless because they haven't taken into account other factors like population size and geography. Good point re longer journeys in Amsterdam - just the sort of consideration that can lead to sime interesting findings with the data.
I guess the major factor is the number of people actually using Strava. Traditionally that has been heavier weighted towards the English speaking countries...
I think the biggest factor not being considered is that ordinary everyday bike users in some of those cities, especially Amsterdam, frequently wouldn't be bothered about Strava; in the same way they aren't bothered with lycra and helmets.
That's the major concern I have with the data, the fact that it is very likely to be skewed towards the "traditional" Strava users - basically MAMILs. It would therefore probably not include significant subsectors like students or hire bike users. You can see that with the highlights of Regent's Park and Richmond Park - they're people bolting a training ride onto their commute.
Anyone remember the GPS pedal?:
http://road.cc/content/news/139960-new-connected-cycle-smart-pedal-track...
Get that on every hire bike, auto link it to Strava then analyse the data; I suspect it'd show some very different routes.
Definitely. I don't see any logic in concluding anything about cyclists in general just from the very unrepresentative sub-set that use Strava. And it seems very likely that that sub-set would be even more unrepresentative of Amsterdam cyclists than of London ones
Still, does it not, possibly (not sure) imply that the fear that 'going Dutch' would be bad for cyclists who do want to go as fast as possible is misplaced? Could it be that those Amsterdam Strava-ists aren't having to stop at so many traffic lights?
The weather is also a factor that has to be taken into account.
Given that London is much more populace than Amsterdam, Barcelona, Milan etc. this is hardly a suprise. The higher average speed in Amsterdam is also no suprise given how flat it is, how small it is (so presumably shorter commutes) and how Dutch junctions cause less congestion for cyclists. Barcelona is hilly compared to London so of course rides will have more elevation gain!
I'm sure Strava data can give some really interesting insights, it just needs to be looked at by a decent data analyst!
I'd also say that the amount of commuters here in Amsterdam that use Strava is tiny.. Different bikes for different tasks..