Graphing Data

The first step to analysis is to lay out the data and match the actions in the recorded videos to their data visualization.

I’m looking for repeated patterns of data, large spikes in rates of change, and other outliers.  Matching specific pen strokes at a specific time to an exact spike in the pressure data graph is helpful for a frame a reference.

The Accelerometer/Gyro requires a two second boot up calibration on reset of the arduino, so in the graphs there is a portion of data that is non calibrated and that also makes for a good frame of reference to match between the videos and data, as when the accel is calibrated the unity app will raise the position of the pen, so these can be matched up for the real start of data gathering.

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