Feature selection method List of five highest ranked features Gini Penups Duration Cursiveness Speed SdVelocity InfoGain Penups Duration Cursiveness Speed SdVelocity ReliefF Penups Pen-DownRatioTime VelocityX Duration Speed SFS Penups Duration Direction Change-x Cursiveness Ratio Area/Distance Gain Ratio Penups Duration Cursiveness Speed SdVelocity

Table 2: List of highest five ranked features using five widely used feature selection techniques.