词典释义：
释义
【统计】（观测到的数据和理论值的）适合度，吻合度。
双语例句
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The method is higher goodness of fit and has its applicability.
该方法的拟合度较高，有其适用性。
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Test the models using three measures of goodness of fit (error tests).
使用三种措施的拟合优度(误差测试)，测试模型。
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The results indicate the good reliability of forecast and goodness of fit.
结果表明：预测的可靠性和拟合优度好；
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This model has been confirmed by Confirmatory Factory Analysis, and the goodness of fit index is fairly good.
该模型经验证性因素分析表明其模型的拟合度良好。
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New model have better prediction and goodness of fit. 3 short-term flowability indexes are correlated with rating.
新模型在拟合、预测准确率均优于原模型，且有3个流动性指标与评级结果显著相关。
近义词
百科
拟合优度（Goodness of Fit）是指回归直线对观测值的拟合程度。度量拟合优度的统计量是可决系数（亦称确定系数）R²。R²最大值为1。R²的值越接近1，说明回归直线对观测值的拟合程度越好；反之，R²的值越小，说明回归直线对观测值的拟合程度越差。