The regression model based on 45 years data (1951-1995) with the two parameters has a multiple correlation coefficient of 0. 66.
用1951 - 1995年的45年资料建立的二因子回归预报模型的复相关系数可达到0.66。
The result of multiple correlation coefficient testing, F-testing and t-testing indicates that the model meets the hypothesis testing of linearity and its matching effect is preferable.
复相关系数、F检验、t检验结果表明，该模型满足线性与方差齐性的假设，拟合效果较好。
A new multivariate linear model was proposed to associate viscosity and group composition of heavy oil. Multiple correlation coefficient of the model is 0.9885.
提出了一种能对稠油族组成与粘度进行较好关联的多元线性模型，其复相关系数为0.9885。
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