详细解释:【计】 因子分解, 因数分析
【化】 因子分析
【经】 要素分析, 因素分析, 因式分析
英语解释：
名词 factor analysis:
any of several methods for reducing correlational data to a smaller number of dimensions or factors; beginning with a correlation matrix a small number of components or factors are extracted that are regarded as the basic variable that account for the interrelations observed in the data