…These analytical methods, along with regression analysis, principal component analysis, and factor analysis, are collectively referred to as multivariate analysis. These methods are applicable only when the variables that characterize the subject have a scale called ratio scale or interval scale. An interval scale is a scale in which the difference in values is meaningful (for example, temperature expressed in degrees Celsius), and a ratio scale is an interval scale with an absolute origin (for example, temperature expressed in K). … *Some terminology explanations that mention "ratio scale" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これらの分析法は,回帰分析,主成分分析,因子分析などと並んで多変量解析と総称される。 これらの手法は,対象を特徴づける変量が比率尺度ratio scaleや間隔尺度interval scaleと呼ばれる尺度をもつときのみ適用可能である。間隔尺度とは数値の差が意味をもつ尺度(たとえば℃で表した温度)をいい,比率尺度とは絶対原点をもつ間隔尺度(たとえばKで表した温度)をいう。… ※「ratio scale」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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