北京大学：《大规模数据处理——云计算 Mass Data Processing Cloud Computing》课程教学资源（PPT课件）Clustering问题 Clustering

The Distance Metric ·The Canopy Metric($) The K-Means Metric ($$$

The Distance Metric • The Canopy Metric ($) • The K-Means Metric ($$$)

Steps！ Get Data into a form you can use(MR) Picking Canopy Centers (MR) Assign Data Points to Canopies(MR) Pick K-Means Cluster Centers K-Means algorithm(MR) -Iterate！

Steps! • Get Data into a form you can use (MR) • Picking Canopy Centers (MR) • Assign Data Points to Canopies (MR) • Pick K-Means Cluster Centers • K-Means algorithm (MR) – Iterate!