Archive for the ‘Running’ category

Missing Scale: Lack of Critical Information Is Misleading

August 9th, 2009

How important is knowing the scale when looking at data? Hopefully, you’ll agree, “very”, but I was amazed to see how much is missed (and misunderstood) without knowing the scale of my latest run performance.

» Read more: Missing Scale: Lack of Critical Information Is Misleading

New R script: Plot Nike+ runs

June 5th, 2009

I’ve been playing around with R and Nike+ and thought I’d put the two together, so I wrote a little R script that pulls your public data from the Nike+ website and plot out the graphs. It’s a little rough around the edges (see below for a list of enhancements/fixes), but it generates plots. I like SlowGeek, but found their smoothing function a bit too “smooth” — it was shaving 1/2 mph from my run speeds. I wasn’t happy with that 😉 Read more to get the source code, below.

Sample: Sample

For an example of what it might look like, you can see my plots.

» Read more: New R script: Plot Nike+ runs

My running history via

May 25th, 2009

balinjdl running history (

I recently found a post on the Nike+ forums that describes how to get the running history (in detail). It also shows how to access the data via, a very slick adventure indeed!

P.S. I was going to set up a running blog, but don’t know if I will now. gives me the data I was looking for, though I’m still itching to learn and use OpenFlashCharts!