K-均值算法是一种基于样本间相似性度量的间接聚类方法。本文研究和探索K-均值方法在岩相识别中的应用。在求样本间的距离时,采用马氏(Mahalanobis)距离代替欧氏距离。关键词:岩相识别;测井资料;K-均值Application of Modified K-means clustering algorithm to Lithofacies Identification Jing Fengwei,Liu Jiwei,Wang Shusheng School of Information Engineering,University Science and Technology Beijing,Beijing 100083 ABSTRACT The K-means clustering algorithm is the indirect clustering algorithm based upon comparability measurement between points.This paper studies and explores the application of K-means clustering algorithm to lithofacies identification. Mahalanobis distance replaces Euclidean distance as the distance of points.KEY WORDS lithofacies identification,logging,k-means clustering
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