Monthly Archives: June 2013

Visualizing Exercise with Diabetes

Well, well, well. That’s done. The visualization of exercise data proved to involve much more work than I had originally anticipated, mainly because it involved so many different data events: .fit file data, sensor readings, BG fingerstick values, basal rates … Continue reading

Posted in Cycling, Data-betes, Diabetes, Fodder for Techno-weenies | Leave a comment

Two Months of Technique

Looking back over all of my race results, I can confidently say that the swim is my weakest triathlon discipline. I’m not slow, per se, but compared to where I finish each triathlon (usually squarely within the top third) my … Continue reading

Posted in Reluctant Triathlete, Swimming | 2 Comments

Insulin Concentration Redux

I figured out the right way to average the insulin concentration in my blood at different times of the day. The chart is below. The red curve is the average for weekend days, while the blue curve averages weekdays. (The … Continue reading

Posted in Data-betes, Diabetes, Fodder for Techno-weenies | 1 Comment

Lowering Insulin Rates during Long Endurance Events

I still plan on posting the skiing post that’s been in my drafts folder for about four months now. Maybe I’ll try to finish it up this week . . . supposing I can drag myself away from my MATLAB diabetes app programming. … Continue reading

Posted in Diabetes | 1 Comment

The Quantified Self

I’m getting ready to dive deep into this site and the places it links to: QuantifiedSelf.com.

Posted in Data-betes, Diabetes, Fodder for Techno-weenies | 1 Comment

A Tough Day

I have never wanted to quit a race so much in my life, and I wasn’t even a mile into the half-marathon segment of today’s Patriot Half 70.3 triathlon. My swim was really good—my best at this distance that wasn’t … Continue reading

Posted in Cycling, Reluctant Triathlete, Running, Swimming | 6 Comments

Insulin Concentration

The following plot shows three day’s worth of insulin boluses. (What’s a bolus? It’s the insulin dose given at mealtime or as a correction to bring down blood sugar. It differs from the continuously delivered background insulin by being a … Continue reading

Posted in Data-betes, Diabetes, Fodder for Techno-weenies, MATLAB | 5 Comments

Motor Error

In March I got a new pump, since my older Minimed Paradigm 522 was very out of warranty. The differences between the 522 and the 523 are slight and barely noteworthy, but I would miss them if they went away. … Continue reading

Posted in Data-betes, Diabetes | 2 Comments

Pharmacokinetics

Now on this evening’s reading list: Bioavailability and bioeffectiveness of subcutaneous human insulin and two of its analogs—LysB28ProB29-human insulin and AspB10LysB28ProB29-human insulin—assessed in a conscious pig model. (“LysB28ProB29,” or insulin lispro, is better known as Humalog.) Along with the “Pharmacokinetics” … Continue reading

Posted in Data-betes, Diabetes, Fodder for Techno-weenies | 2 Comments

The Unbearding, Part 1 (and caption contest)

In a few days the beard will be all gone—it will just be too warm for racing—but today I can live my dream of going “Full Amish.” What’s the best caption you can come up with for this photo? Here’s … Continue reading

Posted in General, I am Rembrandt, Photography | 1 Comment

Spring Photos

We’ve had an exciting spring: a couple of day trips to New York, a charity walk, hiking, and a trip to Iowa. Ducky came along to Grinnell and was quite the camera hog. But he was super-happy to swim in … Continue reading

Posted in General, I am Rembrandt, Travel | 1 Comment

Box Plot

Based on Sara‘s comment on yesterday’s post, I decided to use MATLAB’s boxplot function to show the statistical complexity in the data. So what is this? The boxes show the 25th and 75th percentiles of the data, and the red … Continue reading

Posted in Data-betes, Diabetes, Fodder for Techno-weenies | 3 Comments

A “Typical” Day’s Blood Sugars

I always wondered what an “average” day’s blood glucose looked like. Now I know.

Posted in Data-betes, Diabetes, MATLAB | 2 Comments

Diabetes Flight Data Recorder

Lisa and I took a quick trip to Iowa over the weekend for our college class reunion. I took advantage of the time in airports and airplanes to work on the diabetes app. Because I’m using MATLAB—which I know very … Continue reading

Posted in Data-betes, Diabetes, Fodder for Techno-weenies, MATLAB | 4 Comments