摘要
本文以明渠水文测验为例，分析了用最小二乘法原理建立回归方程所存在的问题，对拟采用的解决方法进行了探讨。
This article has given an example as to the hydrologic sccrvey of an canal,and has analysed the problem concerning the dedtiction of linearity regression with least square method.It has put forward a discussion of the soltition to be used.
关键词
最小二乘法
相关分析
适线检验
hydrologic survey
least square method
linearity regression
