The equation of linear regression for predicting its tuber is: (?)
预测块茎发生量的线性回归方程式：（?）
Results: Water iodine content calculated by linear regression equation, multiplied by coefficient of rectification, equals that calculated by index regression equation.
结果利用线性回归方程计算出的水碘含量，通过与校正系数相乘等于指数回归方程计算出的水碘含量。
This paper use experimental data to set up linear regression equation with unitary and regression straight line, to use variance analysis and related coefficient to test validity of equation.
本文利用实验数据建立一元线性回归方程；回归直线，并用方差分析法和相关系数法检验方程的有效性。
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