At present, PLS regression is called the second generation of multivariable statistical analysis by numerous foreign statisticians and has been being used widely in variety of fields, such as chemometrics, industry design, econometrics and so on.

• 目前在国外，偏最小二乘回归被誉为第二代多元统计分析方法，其方法已广泛应用于化学计量、工业设计、计量经济学等各个领域；