结果三阶趋势面拟合优度为最佳。
结果表明:预测的可靠性和拟合优度好;
The results indicate the good reliability of forecast and goodness of fit.
使用三种措施的拟合优度(误差测试),测试模型。
Test the models using three measures of goodness of fit (error tests).
一般的拟合优度检验方法只能用于分布完全已知的情况。
The common goodness-of-fit tests require continuous distributions with known parameters.
本文还提出一种反映回归直线拟合优度的新的相关系数。
A new correlation coefficient that indicates goodness of-fit for regression line will be introduced yet in this paper. The illustrative examples are presented.
实验与分析结果表明,改进的空间分析模型拟合优度、拟合精度都有较大的提高。
Through comparison with the classic logistic model without considering the spatial autocorrelation, this model showed better goodness of fitting and higher accuracy of fitting.
给出了趋势检验、AMSAA模型的拟合优度检验及模型参数的极大似然估计方法。
The tendency check, goodness of fit check, maximum likelihood estimates (MLE) of the parameters and MTBF for AMSAA model are presented.
结果:提出了模型的一般框架,并给出了协方差密度的性质以及模型的拟合优度检验。
Results: a general framework of the model is established. The property of covariance density and the goodness of fit test are given.
在讨论(广义)非参数似然比拟合优度检验时,加权经验过程理论是一个非常重要的基础。
The theory of weighted empirical processes is an important element for (generalized) nonparametric likelihood ratio goodness of fit test.
在此基础上利用随机波动类模型对两种收益率的波动性特征进行拟合,并对拟合优度进行分析。
Based on this we simulate the volatility features of the two kinds of yield rate time series and analyze their fitting results using the stochastic volatility models.
利用动压作回归参数,对实测数据进行归纳,得到了较高拟合优度的结果,有较强的工程适用性。
Taking the dynamic pressure as an induction parameter, the measured data is induced to that a result with higher fitting degree is obtained, which has a better engineering practicability.
该方法克服了其他方法的局限性,具有较广的适用性,能对两个模型的拟合优度作出定量的比较。
This method eliminates the limitations in other methods and has wide applicability. Applying the method we can quantitatively compare the goodness of fit of the two models.
通过拟合优度和累积失效率曲线形态的对比,说明了威布尔分布用于曲轴失效数据分析的优越性。
By comparing their fitting compatibility and the cumulative failure probability curve, the advantage of the Weibull-distribution based regression is concluded.
拟合优度指数除领域情(0.872)和方面气候适应(0.820)之外,其他均大于0.9;
Except comparative fitness index (CFI) of domain emotion (0.872) and facet adaptation to climate (0.820), others were above 0.9;
因此其拟合优度和检验精度均优于单纯的线性回归模型,可作为NDVI反演pri一种参考模型。
Thus, its goodness of fit and inspection accuracy were better than the simple linear regression model, which could be used as a reference model for NDVI inversion PRI.
文章回顾了各种用于模型选择的信息准则,并从拟合优度项的角度,提出了一种新的准则:BICC。
The popular criteria in model selection are reviewed and a new criteria, BICC, which from the point of goodness-of-fit term, is suggested.
介绍联系拟合优度与模型复杂性测度的一种模型选择准则—信息复杂性(ICOMP)准则的基本原理。
A rationale for model selection criteria-informational complexity (ICOMP) criteria, that combine a badness-of-fit term with a measure of complexity of a model, is introduced.
用对数线性模型拟合接尘量与吸烟量对肺癌发病的作用,发现接尘量与吸烟量同时引入模型后拟合优度最佳。
The results also showed a joint effect of cumulative dust dose and smoking capacity on lung cancer through using the analysis of Generalized Linear Modal.
结果建立的两个不同时期的数学模型拟合优度理想,直观地反映了目前及15年前各年龄组人群的HI抗体动态变化。
Results The goodness of fit of the two mathematic models in different stages are perfect, directly reflecting the dynamic change of antibody in each age group in the present and 15 years ago.
依据实际测量数据,论证了平面交叉口绿灯转红灯时车流堵塞波的推进速度满足正态分布假设,其拟合优度高于泊松分布假设。
It is showed that a shock wave speed distribution in red light period at a plane intersection satisfies a normal assumption, as well as Poisson assumption.
为了比较两个线性模型的拟合优度哪一个高,本文提出了对两个模型的拟合优度进行假设检验的方法,对该方法的原理进行了论证。
To compare the goodness of fit of two linear models, a method of hypothetic test has been proposed in this paper. The principle of the methods is proved theoretically.
对具有厚尾结构的数据的拟合优度检验选择A—D拟合优度检验法优于K - S拟合优度检验法,前者对尾部检验更敏感,更合理。
On fat tail structure of the given data, the law of A-D goodness of fit test is better than the K-S goodness of fit test, the former is more sensitive and rational.
方法结合职业紧张研究数据,利用LISREL软件实现参数估计,以RMSEA、GFI、SRMR作为拟合优度检验的评价指标。
Methods Occupational stress data were analyzed and using LISREL to estimate parameter. RMSEA, GFI, SRMR were used as fitting goodness indicator.
研究结果:实验结果显示,建立的四项预测回归模型的拟合优度从高到低为12分钟跑、20米折返跑、PWC170实验、台阶试验。
Results:The results show that the queue is 12-minute run, 20-m shuttle run, PWC170 test and step test, according with the order of the goodness of fit from high to low.
结构模型拟合优度评估以及假设检验结果表明:企业声誉、预期合作收益、资源投入程度和转移成本是供应链协作信任的四个影响因素。
The result shows that company reputation, anticipated collaboration income, the degree of resource devotion and switching cost are the four influential factors of supply chain collaboration trust.
结构模型拟合优度评估以及假设检验结果表明:企业声誉、预期合作收益、资源投入程度和转移成本是供应链协作信任的四个影响因素。
The result shows that company reputation, anticipated collaboration income, the degree of resource devotion and switching cost are the four influential factors of supply chain collaboration trust.
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