Category Archives: MATLAB

Reading Diabetes Data from Tidepool into MATLAB

Here’s what I did over the weekend with the help of my awesome coworker Kelly. Yup that’s (almost?) all of my diabetes data from Medtronic Carelink, which I uploaded to Tidepool. Yay!

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MATLAB, HDF5, and Reference Datatypes

Editor’s note: This post, which has been sitting around for years (literally!) while I put the finishing touches on it, is for all of the techies out there. You know who you are. Everyone else, I’ll get back to the … Continue reading

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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

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

Triathlon Tools for MATLAB

Recently I got tired of continually writing the same equations at the MATLAB command prompt to convert my swim, bike, and run times into paces in the format we’re used to seeing. Temporarily putting aside my laziness, I wrote a … Continue reading

Posted in Cycling, Fodder for Techno-weenies, MATLAB, Reluctant Triathlete, Running, Swimming | 3 Comments

Writing a File Reader in MATLAB

A colleague recently asked me to help him read a file in MATLAB, which supports reading a whole bunch of image and scientific data formats right out-of-the-box but not NRRD. This format stores 3D volumes of radiology data and (like … Continue reading

Posted in Computing, Fodder for Techno-weenies, MATLAB | 2 Comments

Visual Acuity and Color Confusion

I’ve been working on a project at work that involves visual acuity. We’re basically asking the question, “How easy is it to notice the difference between two parts of an image with the assistance of color?” As part of the … Continue reading

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Advocating for the Artificial Pancreas

Editor’s note: A few weeks ago, Kim at Texting My Pancreas let me know that she would be writing a skeptical assessment of the Artificial Pancreas Project (APP), after I expressed some similar skepticism. What appears below is me being … Continue reading

Posted in 101 in 1001, Diabetes, Health Care, MATLAB, NaBloPoMo, NaBloPoMo 2010 | Leave a comment

An Invitation to Diabetes Researchers

I just finished reading Michael Bliss’s excellent The Discovery of Insulin about the amazing work at the University of Toronto in 1921-1923 by Banting, Best, Collip, and Macloed. For most readers, it’s surely a story about discovery and rivalry and … Continue reading

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Reading a Freestyle Blood Glucose Meter with MATLAB

Here’s some MATLAB code that will read data from a Freestyle blood glucose meter that is attached to your computer via serial cable. (Be sure to replace the “smart” quotes with appropriate single quotes. And the “…”, too. Sorry.)

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Why I Love My Job

So you already know that I ♥ my pancreas. I hope that soon I’ll be able to ♥ both my real and “artificial” pancreases. Kerri at Six Until Me has a great write-up of an announcement between JDRF, Johnson & … Continue reading

Posted in Diabetes, MATLAB, Software Engineering, This is who we are | 1 Comment

Diabetes Application – A Sample Report

A couple weeks ago, I presented a teaser of my diabetes application. I’ve been working on it a lot lately, creating GUIs to enter most of the data on my insulin pump and blood glucose meter. But mostly I’ve been … Continue reading

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MATLAB and Greenspun’s 10th Rule

Just to get this disclaimer out of the way, let’s remind everyone that this is my personal website. Even though I may write some of the articles at work about things I’ve done at work, they aren’t in anyway supervised … Continue reading

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Electronic Imaging: 3D

I am attending Electronic Imaging 2009 in San Jose. Well, today was my last day here. Tomorrow I return to snowy Massachusetts. (It’s currently about 60º here.) But I’ve had my fish taco fix for another year, and I’m excited … Continue reading

Posted in Color and Vision, MATLAB, Software Engineering | 1 Comment