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spatio-temporal-clustering's Introduction

Spatio-temporal Clustering

1 介绍

1.1 数据介绍

  • data/cluster_time:按时间顺序排列的用户行为轨迹
  • data/cluster_unix_time:按时间顺序(时间已经转换为时间戳)排列的用户行为轨迹
  • data/cluster_unix_time:按时间顺序(时间约束隐含,没有时间字段)排列的用户行为轨迹
  • data/cluster_unix_time_indoor:按时间顺序(时间已经转换为时间戳)排列的室内用户行为轨迹,存在楼层ID(存在时间连续,楼层不同的簇集,即1楼与4楼形成两个簇)

1.2 聚类算法

  • MYDBSCAN:基于密度的聚类DBSCAN(Density-Based Spatial Clustering of Applications with Noise)算法的底层实现
  • MYAP:基于划分的聚类AP(Affinity Propagation Clustering Algorithm )算法的底层实现--近邻传播聚类算法
  • Adaptive-DBSCAN:自适应的基于密度的空间聚类(Adaptive Density-Based Spatial Clustering of Applications with Noise)算法的底层实现
  • MYOPTICS:基于密度的聚类OPTICS(Ordering points to identify the clustering structure)算法的底层实现
  • MYKMeans:基于划分的聚类KMeans算法的底层实现
  • MYCFSFDP:基于划分和密度的聚类CFSFDP(Clustering by fast search and find of density peaks)算法的底层实现

1.3 时空聚类算法

  • ST-DBSCAN:基于DBSCAN改造的时空聚类算法
  • Indoor-STDBSCAN:基于DBSCAN改造的室内时空聚类算法,添加了时间约束、楼层约束,以及簇集的合并延时间轴前进不会后退
  • ST-OPTICS:基于OPTICS改造的时空聚类算法
  • ST-CFSFDP:基于CFSFDP改造的时空聚类算法
  • ST-AGNES_DIS:基于凝聚层次聚类(AGNES)改造的时空聚类算法(用距离做阈值,自动生成聚类个数)
  • ST-AGNES_SUM:基于凝聚层次聚类(AGNES)改造的时空聚类算法(使用聚类个数做阈值)
  • Indoor-STAGNES_DIS:基于凝聚层次聚类(AGNES)改造的室内时空聚类算法(用距离做阈值,自动生成聚类个数)-引入了时间窗口与楼层阈值
  • Indoor-STAGNES_NUM:基于凝聚层次聚类(AGNES)改造的室内时空聚类算法(使用聚类个数做阈值)-引入了时间窗口与楼层阈值
  • WKM:WKM(Warped K-Means)基于K-Means改造的时空聚类算法(使用聚类个数做阈值)

2 算法原理

2.1在本实例中,如果想将代码直接运行需注意以下几点:

  • Python版本3.X(本人使用的是Python 3.6)
  • numpy版本 1.13.3(其他版本未实验)
  • scipy版本 0.19.1(其他版本未实验)
  • matplotlib版本 2.1.0(其他版本未实验)

2.2 空间聚类算法及时空聚类算法学习教程

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