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Online continuous decoy optimization

Code, Lablog, Minds • January 4, 2016 • Robin van Emden

April 2016: We have removed Qualtrics from our experimental workflow, and have instead chosen for a custom Drupal based survey engine. As time went by we needed more and more workarounds to get our code …

Decoy Effect LiF simulation in R

Minds, R • January 3, 2016 • Robin van Emden

We ran the R simulation below to test our hypothesis that LiF should be able to optimize decoy effects (I will add comments further clarifying my train of thought as reflected by the script within …

The lock-in whiteboard session

Lablog, Research • January 3, 2016 • Robin van Emden

Now that we had successfully run some more simulations with Davide’s and Maurits’s lock-in feedback algorithm, we still needed to decide which real life problems might be the most conductive to LiF’s optimum finding prowess. …

StreamingBandit

Lablog, Python, Research • January 2, 2016 • Robin van Emden

I recently added an implementation of our Lock-in Feedback algorithm to StreamingBandit. StreamingBandit was originally developed by Maurits Kaptein and Jules Kruijswijk as “a Python Tornado based asynchronous web server to quickly setup and evaluate …

Where lock-in feedback finds and tracks optimal selling price

Code, Lablog, R • December 31, 2015 • Robin van Emden

After my bare bones Python implementation of Davide Iannuzzi’s and Maurits Kaptein’s “Lock in Feedback” (LiF) algorithm, I thought it interesting to get a better feel for the algorithm’s capabilities and constraints by putting it …

Totem Open Health

Lablog, Technology • December 15, 2015 • Robin van Emden

Proud to present the Totem Open Health Sensor as the fledgling star of the video above. This sensor is one of the technologies that is being developed in the context of our Totem Open Health …

An introduction to Lock-in Feedback

Code, Lablog • December 14, 2015 • Robin van Emden

Currently, I am privileged to be working with Dr. Davide Iannuzzi, Professor in Experimental Physics, and Dr. Maurits Kaptein, assistant professor in Artificial Intelligence, on real-world applications of “Lock in Feedback” – where “Lock in …

Accelerometer step counter in R

Code, Technology • November 30, 2015 • Robin van Emden

I developed the following script to experiment a little with the Totem Health Sensor. It takes a CSV containing a sensor’s raw accelerometer data (consisting of a time-stamp, an X, an Y and a Z …

UNICEF Wearables for Good: we made it to the finals

Code, Lablog, Minds • September 18, 2015 • Robin van Emden

The challenge: To design wearable and sensor technology that serves people in resource constrained environments. Our solution: Totem Open Health is currently developing a low-cost, passive, mobile and non-invasive system to monitor fetal health. Monitoring …

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