英国生物学家高尔登于1889年在一篇遗传学的文章中提出了“回归”的概念,他在研究儿子的身高Y与父亲身高X之间的统计关系中发现有两个规律: （1）儿子身高与父亲身高呈直线关系。他根据1,078个家庭记录,发现高个子父亲所生的儿子大多数比较高,矮个子父亲所生的儿子大多数比较矮。 （2）儿子身高与父亲身高的回归关 The British biologist Gordon put forward the concept of “regression” in a genealogical article in 1889. He found two rules in studying the statistical relationship between his son’s height Y and his father’s height X: ( 1) son height and father height was a linear relationship. Based on 1,078 family records, he found that the sons born of the tall fathers were mostly high, and the sons born of the short fathers were mostly short. (2) son’s height and return of father’s height