离差平方和的英文
sum of deviation square
sum of squares of deviations
例句与用法
- Sum of squares
离差平方和 - This paper , by using ward ' s method , analyzes some well - known c2c e - business enterprise in china , and proposes corresponding strategies for service marketing according to the clustering results
本文以系统聚类分析中的离差平方和法作为聚类分析的方法，对国内某知名c2c电子商务企业的客户价值进行了聚类分析，并根据聚类结果提出了相应的客户服务营销对策。 - The key of multiple attribute decision making is to confirm attribute weights , a model of an optimal combination weights way is to solving the problem of multi - targets attacking decision , which is contained in many kinds of determining weights methods
多属性决策问题的关键是确定各属性权重，综合各种赋权法的特点，采用离差平方和的最优赋权方法求解多目标攻击的综合优势指数。 - Therefore , each sum of squares of deviations is the times of the consisitent and unbiased estimate of variance . so , if the division is reasonable , the sum of squares of deviations attained through the data to be grouped and the one attained through history data should be very close
这样，由于每个类内离差平方和为该数据所属分布的方差的相合且无偏的估计的倍数，故如果分类合理，则由待分数据得到的离差平方和应与由历史数据得到的离差平方和相接近。 - The paper studies composition of grasshopper community in different habitats , found that differences in family , genus and species and analyzed the causes of those . the author analyzed the following aspects by spss software and the measure of euclidean distance : ( 1 ) analyzed the relationship between grasshopper species and geographical distribution and divided 9 forestry belt into 3 main habitat model : low mountain conifer and broadleaf integrated forestry belt ; low mountain chanbai conifer forestry belt and middle - high conifer - betula ermam / - tundra belt ; adopted sum of deviation of square to clustered ecological species groups , and thus divided 48 grasshopper species into 3 main category , 12 ecological species groups
在长白山地区蝗虫生态分布特点的研究中，主要应用spss软件包、采用euclideandistance测度法对以下两方面内容进行了分析： ( 1 )对长白山地区蝗虫地理分布关系进行了分析，将长白山9个林带划分为三大生境型：低山针阔叶混交林带、低山长白松林带和中高山针叶?岳桦?苔原复合体； ( 2 )利用离差平方和法对生态种组进行等级聚类，结合实地调查结果，将48种蝗虫划分为三大类12个生态种组。
