Re: [R] Olympics: 200m Men Final

2012-08-10 Thread R. Michael Weylandt
Continuing on with fun, if silly, analyses: a little voice in my head suggests a time series model and, rather than putting any thought into, I'll use some R-goodness. Setting up the data as Rui provided, we need to add some NA's to account for WWII: library(zoo) golddata.ts -

Re: [R] Olympics: 200m Men Final

2012-08-10 Thread Rui Barradas
Hello, The main critique, I think, is that we assume a certain type of model where the times can decrease until zero. And that they can do so linearly. I believe that records can allways be beaten but 40-50 years ago times were measured in tenths of a second, now we see a gain in the

Re: [R] Olympics: 200m Men Final

2012-08-10 Thread Daróczi Gergely
On Fri, Aug 10, 2012 at 10:23 AM, Rui Barradas ruipbarra...@sapo.pt wrote: Hello, The main critique, I think, is that we assume a certain type of model where the times can decrease until zero. And that they can do so linearly. I believe that records can allways be beaten but 40-50 years ago

Re: [R] Olympics: 200m Men Final

2012-08-09 Thread Mark Leeds
Hi Rui: I hate to sound like a pessimist/cynic and also I should state that I didn't look at any of the analysis by you or the other person. But, my question, ( for anyone who wants to chime in ) is: given that all these olympic 100-200 meter runners post times that are generally within 0.1-0.3