Viewing profile — mrandrewandrade

I think we are saying the same thing in different words, and I might be confusing "an alternative" with "a comparison". John compares R^2 with E^2, but RMSE can be considered an al…

I think what John is saying is that people commonly use R^2 as measure of model fit where something like root mean squared error (RMSE) gives a better measure of model fit (by meas…

The final demo didn't include any code. Writing the code for the arduino was a waste of time in terms of what we actually build. The main part of the post was about the pivot and h…

Great by post by Samson! I sometime wish I could tell stories and explain like he can

Another great graphical way to play with data in Python is using Spyder. It has an Rstudio/matlab sort of interface https://code.google.com/p/spyderlib/ http://en.wikipedia.org/wik…

Update: The hackathon is now over. They need the camera for the steam now. Thanks for playing pokemon. I fully opened sourced the hardware and software (I will do better documentat…

Haha thanks. The point of the blog was that we made the design too complicated wanting a microcontroller and innate intelligence in the tool when really all we need were flashing L…