Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测,并对玉米矮花叶病损失估计进行了初步探讨。
Descusses the logarithmic correction factors of general multiplicative regression model and percent bias of unadjusted predicted value. The pool of correction factors is proposed.
文中讨论了一般乘法回归模型的对数改正系数和未校正预测值的相对偏差,提出了对数改正系数的合并问题。
With regression model total grape acreage, fruiting acreage, grape yield, wine production and total economic capacity of Ningxia were analyzed and predicted.
对葡萄种植面积、采收面积、单位面积产量、总产量、葡萄酒产量及葡萄酒产业总产值进行分析和预测。
A regression model for predicting 13 types of VGO hydrocarbon compositions was set up by stepwise regression method, and the predicted value agreed quite well with the actual test data.
回归模型统计分析及检验结果表明,所得模型的预测能力较强,可以用于减压蜡油组成的预测。
The expenditure of the funds for scientific research is predicted by means of the GM(1,1)Model and the Linear Regression Model with high accuracy.
本文运用了灰色GM(1,1)模型及线性回归模型对科技经费投入进行预测,从实际算例可知其精确度是相当高的。
The output from 2004 to 2010 was predicted by means of a multivariate regression linear model, including the factors. The results show the model with a higher precision and the better practicability.
建立一个包含这些因子的垃圾产量的多元线性回归分析预测模型,并对2004~2010年的垃圾产量进行预测。
Parameters of the storage degradation model are estimated through the regression theory, and the storage life of missile EMR under normal stress is predicted.
通过回归理论估计了贮存退化模型的参数,并用所建模型对弹用EMR正常温度应力下的贮存寿命进行了预测。
Parameters of the storage degradation model are estimated through the regression theory, and the storage life of missile EMR under normal stress is predicted.
通过回归理论估计了贮存退化模型的参数,并用所建模型对弹用EMR正常温度应力下的贮存寿命进行了预测。
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