The dimension of Scoring matrixes X is descended by using scoring rate or passing rate or coefficient of correlation or guess rate when estimating those item parameters.
在对这些参数进行估计时,将得分矩阵分别采用得分率、通过率、相关系数、猜测率进行降维处理。
Results The average equivalent sound level and the detectable rate of workers hearing loss were exponential positive correlation, the coefficient of correlation r was 0 812 45.
结果听损检出率随平均等效声级的增加而呈明显的增加趋势,平均等效声级与噪声作业人员的听损检出率呈密切的指数正相关关系(相关系数r为0 812 45 )。
There existed a significant positive linear correlation between total Fe and active Fe in leaves after injection of iron fertilizer, the coefficient of correlation being 0.9842.
注铁后,叶子全铁含量与有效铁含量之间呈极显著的直线正相关,相关系数为0.9842。
Through analysis of simple coefficient of correlation among different characters of flax, influence of major agronomical characters to fiber content of Single plant it discussed.
通过对亚麻各性状之间简单相关系数分析,探讨了亚麻主要农艺性状对单株出麻率的影响,为高纤育种提供一定的理论依。
Though multiple regression analysis, it was showed that the correlation between SAP velocity and Meteorological Factors was highly significant and its coefficient of correlation was more than 0.795.
通过多元线性回归,得出气象因子与液流速率呈极显著相关,相关系数均在0.795以上。
The difference between them is 12.42. This mean difference implies a correlation coefficient of r = .381, which is reasonably large in any survey data.
两者之间的差是12.42.这就是说差距暗示了一个相关系数r=.381,这在任何调查中无疑都是一个很大的系数差。
At the same time some problems, such as negative correlation, selection of correlation coefficient, are discussed also.
同时,也对指标间的负相关、相关系数的选择等问题进行了探讨。
The reliability of simple correlation coefficient is lower because of the cross correlation of agronomic character indices, and the reliability of partial correlation coefficient is higher.
由于农艺性状指标间互相关的影响,冠层温度与农艺性状指标间的单相关系数可靠性差,且与偏相关系数有明显的差异;
MAIN OUTCOME MEASURES: Intrasession and intersession coefficient of variation, intraclass correlation coefficient, intratest variability, and test-retest variability.
主要观察指标:期间和期间内的变异系数、组内相关系数、测试间变异性和测试-再测试结果的变异性。
Correlation analysis is to calculate the correlation coefficient mainly, and vague identification is to calculate the vague subordinate degree of waveform at monitored point.
相关分析主要是计算相关系数,模糊识别主要是计算监测点波形的模糊隶属度。
Results. Intraclass correlation coefficient showed good or very good agreement for most of the measurements.
结果:同类相关系数显示,这些测量结果有很好甚至非常好的一致性。
The path analysis showed that the coefficient of direct path and genetic correlation was equivalent between grains number per spike and water soluble pentosan content.
遗传通径分析结果表明,穗粒数与水溶性戊聚糖含量之间的直接通径系数与其遗传相关系数基本一致。
The results show that the change of network diameter, average path length and degree correlation are negative correlation with that of the network clustering coefficient.
且生成网络直径、平均路径长度、度关联系数与网络平均聚类系数呈负相关。
Moreover, the fitting degree of curvilinear regression equation is tested by correlation index, in stead of correlation coefficient which has been unsuitably used for testing in similar works.
此外,用相关指数来检验曲线回归方程的拟合程度,而不采用在类似的研究中用相关系数来检验曲线回归这一不合适的方法。
Correlation coefficient can reflect the capability of track of generating sets.
相关系数法可以反映机组的跟踪能力。
A "progressive updating" method of large scale displacement measurement is proposed to avoid the defect of low correlation coefficient caused by large scale displacement.
同时还提出一种“逐步更新”的测量方法,它克服了由于大的位移而导致相关系数偏低的缺点。
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 results show that the change of network diameter, average path length are negative correlation with that of the network clustering coefficient.
且生成网络直径、平均路径长度与网络平均聚类系数呈负相关关系。
Inner correlation coefficient and heritability of body composition and anaerobic power were estimated by heredity statistics.
数据经遗传统计学处理,估算出体成分及无氧功率的对内相关系数和遗传度。
The paper represents the conception and cauculation of the rank correlation coefficient, and shows us the practical function and cauculation by way of practice examples in textile research.
本文论述了秩相关系数的概念和运算,并通过实例说明在纺织研究工作中的实用意义和计算方法。
Interpret the calculated values of the correlation coefficient and the coefficient of determination, and understand the relationship between these two measures of association.
诠释相关系数与决定系数等计算而得的数值,和了解这两种相关性测量的关联。
The influence of singular point on correlation coefficient is researched.
研究了异常点对相关系数的影响。
In view of anomaly correlation coefficient, the model skill in seasonal prediction of the summer temperature are relatively higher in West China than in East China.
从相关系数指标来看,模式跨季度预测夏季温度的技巧在中国西部比中国东部高。
In this method, correlation coefficient of various kinds of layers such as oil layer, water layer and water flooded layer are qualified to distinguish which kind of layer it belongs to.
利用相关分析法识别水淹层:首次提出了利用相关分析方法进行水淹层识别,通过提取油层、水层、水淹层测井响应之间的综合相关系数来识别储层类型的方法。
The correlation coefficient of total scale and each subscale was 0.
各分量表与总量表的相关系数在0。
The correlation coefficient of parameters of same type in different elements is estimated by test data or empiric formula.
不同单元的同一类型参数的相关系数通过对检测数据的数理统计或利用工程师的经验得到估计。
The correlation coefficient of this model was 0.66, which passed the validation of regression equation and regression coefficients.
模型的相关系数为0.66,通过了回归方程和回归系数的检验。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
利用相关系数在真实匹配点附近的统计特性,通过对相关系数进行曲线拟合,根据其一阶导数确定最大相关系数所在的位置,快速得到亚像素匹配点。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
利用相关系数在真实匹配点附近的统计特性,通过对相关系数进行曲线拟合,根据其一阶导数确定最大相关系数所在的位置,快速得到亚像素匹配点。
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