北京市出租车的相关数据集合，含有不同地点打车难易程度，

该数据是北京市10357辆出租车一周的轨迹数据，包含字段：车辆id, 时间，经度，纬度，如下所示 1,2008-02-02 15:36:08,116.51172,39.92123 1,2008-02-02 15:46:08,116.51135,39.93883 1,2008-02-02 15:46:08,116.51135,39.93883 1,2008-02-02 15:56:08,116.51627,39.91034