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Data mining algorithms including dbscan and k-means
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DBSCAN算法,利用数据集中密度差异来区分不同聚类。-DBSCAN algorithm, the density difference between the use of data sets to distinguish between different cluster.
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Matlab --- --- --- --- --- --- --- --- --- --- --- --- -
Function: [class,type]=dbscan(x,k,Eps)
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Aim:
Clustering the data with Density-Based Scan Algorithm with Noi
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实验目的
1.对AIS数据按照上行、下行船舶轨迹点进行分类。
2.掌握基于密度聚类方法原理(以DBSCAN为例)。
3.熟悉AIS数据处理的基本方法。
4.熟悉船舶运动模式辨识的基本原理和方法。
实验环境
Matlab(Purpose
1. The AIS data are classified according to the upstream and downstream ship's track points.
2. Master the principle of density clus
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相比其他的聚类方法,基于密度的聚类方法可以在有噪音的数据中发现各种形状和各种大小的簇。DBSCAN(Ester, 1996)是该类方法中最典型的代表算法之一(DBSCAN获得2014 SIGKDD Test of Time Award)。其核心思想就是先发现密度较高的点,然后把相近的高密度点逐步都连成一片,进而生成各种簇(Compared with other clustering methods, the density based clustering method can find var
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