解决驾驶员活动中的类重叠问题基于样本重叠参与水平和样本权重学习的识别：PAMAP2数据集处理

该数据处理步骤基于论文“Tackling Class Overlap Problem in Driver Activity Recognition with Sample OverlapParticipation Level and Sample Weight Learning”中的PAMAP2公共数据集。和样本权重学习”。