Wednesday, April 8, 2015

Workout in a right way

Do you do physical exercises? Do you do it right? :)
Our course project in Practical Machine Learning course was about this topic. Several people put on an accelerometers and performed some exercises the right and the wrong way (consciously). So our task was to build the model to predict whether a person does barbell lifts correctly or incorrectly.
I used Random Forest and Gradient Boosting algorithms. RF has won in a Cross-Validation. Here is my report:

Traditionally, many thanks to our instructor Jeff Leek, professor of Johns Hopkins University!