Transformed raw data from Naval Semaphore Gestures Detection

This data is a feature point extracted from a video of the Naval Semaphore Gestures operation. There are 80,243 instance, including one label and 16 features. The information in each column is as follows:
alphabet The Signals of Naval Semaphore Gestures
x1, y1 Absolute coordinates of right elbow
x2, y2 Absolute coordinates of right shoulder
x3, y3 Absolute coordinates of right hip joint
x4, y4 Absolute coordinates of left elbow
x5, y5 Absolute coordinates of left shoulder
x6, y6 Absolute coordinates of left hip joint
x7, y7 Absolute coordinates of right wrist
x8, y8 Absolute coordinates of left wrist