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factoextra:多元统计的可视化
2022-07-29 10:23:00 【Mrrunsen】
factoextra提供的其他几种多元降维方法在方法上与主成分分析是类似的,运用的函数和绘制的图形也类似。对于下列方法,不再详述每一种函数。
这个数据集叫做glass,取自R包anacor,是由3497个英国家庭的父亲和儿子职业汇总成的列联表。数据集的行和列分别为父亲和儿子的职业种类,包括PROF(专业人员和领导)、EXEC(经理和执行官)、HSUP(高级管理人员)LSUP(低级管理人员)、SKIL(技术劳动者)SEMI(半技术劳动者)、UNSK(无技术劳动者)。原本行列的名称都是大写的,为了区分,将列的名称改为小写。
factoextra包提供的对应分析展示方法(以及下面介绍的因子分析的展示方法)与主成分分析的展示方法类似,主要包括(1)分析结果的提取(2)表现因子贡献的碎石图(3)在因子坐标系内分别展示行点和列点(4)在biplot中同时展示行点和列点。对这个例子,我们只看biplot图形
###载入数据,展示列联表
data(glass,package="anacor")
glass
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