This is a practice of how to use Rstudio to create web page presentation.

Here is a practice of the presentation with plotly package.

This is a test run and try of interactive map with leaflet packages and functions. The marked location is the Graduate Center of City University of New York in New York.

How to let the exerciser to realize that they works on weight lifting in the correct way? How to adjust and give them feedback? We are going to build a model in three different methods so as to classify the efficiency level by training the datas collected from the sensors of wearing devices. This is also one of the application of the Human activity recognition research.

steps activity analysis