The correlation coefficients (r) and root mean square error of prediction (RMSEP) were used as the model evaluation indices.
以预测集的预测相关系数(r),预测标准偏差(RMSEP)作为模型评价指标。
The next step in the simple linear regression procedure is to determine if the remaining squared error of prediction is acceptable or not.
这个简单线性回归过程中的下一步是确定其余的预测方差是否可以接受。
Using a least-squared-error criterion to determine the line of best fit involves finding estimates of m and b that minimize the squared error of prediction.
使用最小方差法来确定最吻合的直线涉及寻找使预测方差最小的m和b的估计值。
The standard error of prediction (% SEP), the mean prediction error (MPE) and the mean relative error (MRE) were utilized to evaluate the prediction ability of the BP-ANN.
用标准预测误差(%SEP),平均预测误差(MPE)和平均相对误差(MRE)来评价其预测能力。
The final result of the model was the addition of the two model's validation values, and the root mean squared error of prediction (RMSEP) was used to estimate the mixed model.
最终预测结果为两个模型预测值之和, 以模型的预测标准偏差(RMSEP)作为评价指标, 以便考察新方法的有效性。
When estimating productivity of refractured well, the primary fracture is considered to be disabled and it is not coincident with actual facts and a great error of prediction result exists.
在对重复压裂井进行产能评价时,常常认为初次压裂形成的裂缝完全失效,这种考虑与实际情况是不相符合的,导致对重复压裂井的产能预测有很大的误差。
Researchers measured so-called positive prediction error signals in the participants' brains as the participants discovered the results of their answers and the size of their rewards.
当参与者发现他们的回答结果和他们的奖励大小时,研究者们测试了他们大脑中所谓的积极的预测错误信号。
Not only is risk prediction unreliable but, when applied to individuals rather than groups, the margins of error are so high as to render any result meaningless.
不仅风险预测站不住脚,而且即使是不用于群体而只用于个体,其误差之大以至于结果失去意义。
The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.
对测试数据的预测结果表明,该预测系统能够可靠工作,预测结果的均方根误差在15%左右。
In respect of eliminating error caused by time delay and making reasonable prediction to the data stream, many methods are experimented in order to realize the aim of real time tracking.
在消除时间上的延迟所造成的误差以及对这些数据流进行合理的预测等方面,采用了多种解决方案,以达到实时跟踪的目的。
Aiming at the problem, the detection result based on chaotic prediction error is modified. The modified result is much closer to the real size of a target.
针对这个问题,对基于混沌预测误差的目标检测结果进行了修正,修正后的结果更接近于目标的真实大小。
The maximum entropy deconvolution is performed under the premise that seismic wavelet is of minimum phase, so the forward prediction error is equivalent to reflection coefficient series.
最大熵反褶积是在地震子波为最小相位条件下进行的,其向前预测误差就等于反射系数序列。
Probabilistic principal component analysis (PPCA) can realize the process monitoring (according) to the whiten values of process variables' prediction error and their scores.
概率主元分析(PPCA)能够根据过程变量的预测误差及其主元的白化值实现对过程的监控。
A novel electrocardiogram compression algorithm based on minimum root-mean-square error prediction utilizing the correlation of adjacent QRS wave is proposed.
本文提出了一种利用相邻QRS波的相关性进行最小均方差预测的心电图压缩算法。
Firstly, the requirements to dimension error prediction and compensation system for boring in series production are identified and described, based on the analysis of transfer lines.
通过对机械加工自动线的分析,阐述了用于大批量生产的机械加工自动线的镗孔加工尺寸误差预测补偿系统的要求。
But the complexity of the problem, the indefinite of the factors and especially the limits of the predicting method made large error between the prediction value and the reality.
但由于问题本身的复杂性、影响因素的不确切性、特别是预测方法的局限性,使得目前需水预测误差较大。
It is testified by instance that the relative error of stimulated annealing grey model is smaller than traditional grey model's and it has improved the prediction precision.
经过实例检验,改进的模拟退火-灰色模型的相对误差比传统灰色模型小的多,提高了预测精度。
To overcome the slow convergence of the BP algorithm, recursive prediction error algorithm is proposed, which can train both the weight and the bias.
本文介绍了动态对角递归网络,并针对BP算法收敛慢的缺点,将递推预报误差学习算法应用到神经网络权值和域值的训练。
In simulation, with the same number of parameters, the new algorithm gets better approximation precision and less prediction error than those of the hinge-finding algorithm.
仿真实验表明,在参数个数相同的情况下,使用新模型的逼近算法在逼近精度与预测误差两方面都优于使用原模型。
Through comparing their sums of squared error, it was concluded that prediction error algorithm-based OE model has the best precision.
通过误差平方和的比较,确定利用基于输出误差(OE)模型的预报误差法所建立的模型的精度最高。
The result of on-line application indicated that rolling force model has good precision of prediction with an error less than 5%.
现场在线应用结果表明:给出的轧制力模型具有良好的预测精度,预测误差可以控制在5%以内。
Against the big error of height determination for the reentry vehicle because of the information provided by low precision geomagnetic sensor, a novel real-time prediction method is proposed.
针对于目前地磁传感器测量精度较低,将其信息直接用于飞行器再入段定高误差较大的问题,提出了一种在线预测进行定高的方法。
The average prediction error by this model is 0.959% for the refractive index of 95 amorphous homopolymers.
由该模型对95个聚合物的折光率进行预测,平均相对误差为0.959%。
The prediction error can be decreased, incorporating with high accuracy estimation and compensation, and the quality of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差,提高压缩视频图像的质量。
The prediction error can be decreased by incorporating high accuracy estimation and compensation, and the performance of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差,提高视频图像的压缩效果。
A linear prediction approach is applied to the output of this SIMO model and we prove that the prediction error contains the parameters of the first time slot of the model impulse response.
对多信道模型的输出应用线性预测,证明了预测误差只包含多信道模型冲激响应在第一个时隙的参数,并给出最佳线性预测器的长度。
A method is advanced to avoid of filter diffusion by using residual error prediction.
提出一种基于预报残差方法来检测滤波发散问题。
The prediction results show that the error of accuracy prediction can be controlled within 10% by using the proposed model, which is of excellent capability of accuracy prediction.
利用该模型进行的精度预测结果表明,该模型的预测误差可以控制在10 %以内,具有很高的精度预测能力。
Under the assumption of line movement with constant velocity, the flight path is built such that prediction error variance computed by the LFR times meets the specified requirements.
进一步从建立航路的的预测误差要求出发,在匀速直线运动的假设下,使用该激光重频值,激光测距的预测误差方差能达到工程要求。
It is the first time that a converting furnace endpoint prediction model based on an improved BP neural network and error compensation of linear regression.
提出了基于改进的BP神经网络学习算法和自适应残差补偿算法的炼铜转炉吹炼终点组合预报模型。
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