查询词典 lag correlation coefficient

The correlation between BMD and age, medical history, menopause duration, BMI, FBG, HbAlc, was analysed student's t test, analysis of variance and coefficient of multiple correlation were used. Results\ BMD decreased in all 80 patients with type 2 DM, of whom 36 (45%) were diagnosed as having OP.

本研究对 80例糖尿病患者骨密度进行了检测，并对其与年龄、病程、体重指数、绝经年限、空腹血糖、糖基化血红蛋白及部分钙磷调节激素的相关性进行了分析，结果报道如下。

The study methods: Based on digital printing and offset printing technology principle, the basic parameters having effect on the ink-jet printing output quality were analyzed. And the mathematics models between the ink quantity and the solid density, and the relation between the gamma and printing contrast were established. The relation among the output dot area coverage, the original dot area coverage and the dot-gain percent was analyzed. And the mathematics models of printing characteristics curves and dot-gain curves were established. The factors influencing the dot-gain were analyzed, and then the dot-gain compensation function was acquired. All the models were verified by the method of regression analysis. And the precisions of the models were obtained by the correlation coefficient and multiple correlation coefficients.

研究方法：根据数码印刷以及胶版印刷的工艺原理，分析了影响喷墨印刷输出质量的基本参数，建立墨量与样张实地密度、γ与相对反差的数学模型；分析输出网点面积率、标定网点面积率以及网点扩大率三者之间的关系，建立网点扩大曲线和印刷阶调复制曲线的数学模型，并对网点扩大的影响因素进行了分析，导出了网点扩大补偿函数；运用回归分析方法分析模型，并用相关系数和复相关系数检验回归模型的显著性；使用灰平衡方程，结合回归法得出灰平衡控制曲线。

The gray balance curves were obtained by the gray balance function and regression analysis. The main works: The parameters in the mathematic models were ascertained, as well as all the regression functions. The models included the relation between the ink quantity and the solid density, the relation between the gamma and printing contrast, the printing reproduction curves, the dot-gain curves and the dot-gain compensation curves. The fitting accuracies of the regression models were checked out by the correlation coefficient or multiple correlation coefficients. The effect that the ink had on the solid density and the gamma on the printing contrast were analyzed. And the methods of choosing the ink and gamma were gained.

主要工作：确定了墨量与样张实地密度、γ与相对反差、阶调复制曲线、网点扩大曲线以及网点扩大补偿曲线各自数学模型中的参数，得到了回归表达式；得到了各个回归表达式的相关系数或复相关系数，检验了回归模型的拟合程度；分析了墨量对实地密度的影响以及γ对相对反差的影响，并提出了墨量和γ的选取方法；得到了喷墨印刷质量控制的灰平衡控制、网点扩大以及扩大补偿规律。

This article proposes essential color of color feature and gradation paragenesis matrix of the texture characteristic,as well as the correlation feedback technology carried on together the retrieval.This article uses the correlation feedback technology to adjust the feature coefficient of color and texture and weight value of the block of this two feature.

提出了将颜色特征中的分块主色法，纹理特征中的分块灰度共生矩阵以及相关反馈技术相结合来共同进行检索，并采用相关反馈技术通过更新权值的方法来调整图像颜色、纹理特征系数以及对应于这两种特征的图像各分块的权值。

According to the results of the correlation matrix and partial correlation coefficient gained from polynomial linear regression, the relative contribution that the essential factor made to the number of tourist and tourism gross revenue of forest parks was analyzed.

结果表明，在兰州地区对森林公园客流量贡献最大的指标是人文景观、森林覆盖率和水体，对旅游总收入贡献最大的指标是人文景观，其次为森林覆盖率、旅游设施、水体，贡献最小的是山体。

The very significant partial correlation was also detected between grain length and grain width with the correlation coefficient of more than 0.90 in three populations.?

偏相关分析还表明粒长与粒宽间存在极显著的正偏相关且相关系数在三个群体的估算中均大于0.90。

The positive correlation coefficiency between N use efficiency and KEON or PEON content was also observed with the correlation coefficient of 0.88 and 0.87 (P.05), respectively.

有机肥中的KEON和PEON与化学氮肥利用率呈正相关，其相关系数分别达到0.88和0.87(P.05)。

There was a strong correlation between rCBV and rCBF (spearman's rank correlation coefficient=0.772, p＜0.001). 2 None of the normal brain tissue exhibited NF-κB p65 protein.

30例胶质瘤中17例NF-κB p65蛋白表达阳性，阳性表达率为56.7％，阳性产物定位于肿瘤细胞核。10例正常脑组织中NF-κB p65无1例阳性表达。

The induced changes in log mesopic contrast sensitivity showed significant negative correlation with the changes in third-order (r =-0.490, P =.0013 without glare; r =-0.362, P =.0177 with glare; Spearman rank correlation coefficient) and fourth-order root mean square (r =-0.586, P =.0001 and r =-0.306, P =.0450, respectively).

中间视力对比敏感度log值的变化与三阶像差(r =-0.490， P =。0013 无眩光； r =-0.362， P =。0177 ，有眩光； Spearman 等级相关系数)和四阶像差(r =-0.586， P =。0001无眩光；； r =-0.306， P =。0450有眩光，)的均方根呈显著负相关。

According to the changes in infrastructure investment and GDP statistics during the period of 1996-2008 in China, the results of calculating the correlation coefficient and regression analysis showed that the correlation between the total GDP and total investment in infrastructure was strong.

根据我国1996－2008年间的基础设施投资与GDP变动统计数据，计算出的相关系数和回归分析结果，表明GDP总量与基础设施投资总额之间的相关性较强。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。