似然比

词组短语

likelihood ratio

与似然比相关的网络例句 [注：此内容来源于网络，仅供参考]

By using the theory of the likelihood ratio test, a method for choosing prior distributions and classes of prior distribution is given.

利用似然比检验原理，给出了选取先验分布及先验分布族的似然比检验方法。

Firstly, by using the theory of the likelihood ratio test, a method of likelihood ratio test for choosing prior distributions and classes of prior distribution is given.

主要内容如下：首先，利用似然比检验原理给出了选取先验分布及先验分布族的似然比检验方法。

Based on the study of Likelihood Ratio Test voice activity detection algorithm and discussion about decision-directed LRT and smoothed LRT voice activity detection algorithms, we proposed a novel voice activity detection algorithm for improving speech detection robustness in noisy environments.

深入研究了基于似然比测试的语音激活检测算法，并对基于直接决策似然比测试的语音激活检测算法和基于平滑似然比测试的语音激活检测算法进行了讨论。

The specificity and positive likelihood ratio of CA50 was the best of 94.37％ and 6.2629, respectively.

CA19-9敏感性和阴性似然比最好，分别为77.46％和0.3138，CA50特异性和阳性似然比最好，分别为94.37％和6.2629。

The results from the research show that the shifted likelihood ratio order is analogous to the likelihood ratio order in the property.

从我们得到的结果可以看到，移位似然比序有着和似然比序相类似的一些性质。

Objective :To assess the overall value of lobulation sign and deep lobulation sign in the differential diagnosis of peripheral lung cancer and pulmonary tuberculoma in CT images.Methods : Firstly , articles about CT differential diagnosis between pulmonary tuberculoma and peripheral lung cancer were selected ,which were published in the period(from January 1990 to December 2008),and useful data were extracted.Then Meta-analysis was done using Meta-disc software,and SDOR value calculated.

方法搜集1990年1月至2008年12月国内外公然发表的关于四周型肺癌与肺结核球CT鉴别诊断的文献，对文献进行筛选，应用Meta-disc软件对符合条件的原始研究进行质量评估、异质性检验，计算阳性似然比、阴性似然比和诊断比值比，最后汇总敏感性和特异性，绘制SROC曲线并计算曲线下面积来综合评价分叶征及深分叶征在CT检查中对于四周型肺癌与结核球鉴别诊断的价值，进行敏感性和特异性分析。

Methods Sera derived from 226 SLE cases and 183 healthy controls were tested for ANA and all parameters were compared such as sensi- tivity,specificity,accuracy,positive predictive value,negative predictive value,positive likelihood ratio,nega- tive likelihood ratio,result consistency,rank correlation coefficient and kappa of ANA detected by IFA...

方法同时采用IFA法和ELISA法检测血清ANA共409例，其中SLE 226例和健康对照183名，将两种方法检测结果的敏感度、特异度、准确度、阳性预测值、阴性预测值、阳性似然比、阴性似然比、结果符合率、判断一致性κ值及秩相关系数进行比较分析；通过ROC曲线比较两种方法的准确度；结果不一致标本进行可提取性核抗原抗体谱检测分析；同时将IFA法检测不同荧光模型样本分别与ELISA结果进行相关分析。

Results The sensitivity (82.1%), likehood ratio (4.49), and Youden′s index (0.638) of UmA S/D were higher than those of UtA S/D;the sensitivtity (85.7%), specificity (82.9%), likehood ratio (5.01), and Youden′s index (0.686) of UmA △Q were all higher than those of UtA △Q; and the various indexes of UmA △Q and UtA △Q were higher than those of UmA S/D and UtA S/D; each index of IlA S/D and IlA △Q was lower.

结果：UmA S/D的敏感度(82.1%)、阳性似然比(4.49)及约登指数(0.638)均高于UtA S/D；UmA △Q的敏感度(85.7%)、特异度(82.9%)、阳性似然比(5.01)及约登指数(0.686)均高于UtA △Q，且UmA △Q和UtA △Q各项指标分别高于UmA S/D和UtA S/D；IlA S/D及IlA △Q各指标均较低。

The sensitivity, specificity, accuracy, positive prevalue, negative prevalue, positive likelihood ratio and negative likelihood ratio of hc2 for high-risk HPV were 100%, 87. 1%, 87. 3%, 8.8%, 100%, 7.7 and 0. 000 , respectively ; and those of gene chips were 78.6%, 91.1%, 90. 9%, 9.9%, 99.7%, 8.8 and 0. 235 respectively.

HC2法检测高危HPV对高度宫颈上皮内瘤样病变HSIL的灵敏度、特异度、准确性、阳性预测值、阴性预测值、阳性似然比和阴性似然比分别为100ˇ、87ˇ1ˇ、87ˇ3ˇ、8ˇ8ˇ、100ˇ、7ˇ7和0ˇ000ˇHPV分型基因芯片法以上各指标分别为78ˇ6ˇ、91ˇ1ˇ、90ˇ9ˇ、9ˇ9ˇ、99ˇ7ˇ、8ˇ8和0ˇ235。

Acute pancreatitis patients were grouped as MAP and SAP after 72 h according to the clinical manifestations. Results:All the indexes were significantly higher in the AP group（P.05）. Urinary trypsinogen activation peptide and serum procalcitonin were increased significantly after 48 h.The sensitivity、specificity and positive likelihood rate of TAP and PCT were 90.5％,87.5％,7.2 and 90.5％,82.5％,7.2 respectively.

结果：急性胰腺炎组与非急性胰腺炎组各项检测结果均存在显著性差异（P.05），各检测指标的敏感度、特异性和阳性似然比存在一定差异，尿TAP和血清PCT在入院48 h后统计效能最高，尿TAP敏感度、特异度以及阳性似然比分别为90.5％、87.5％和7.2；血清PCT敏感度、特异度及阳性似然比分别为90.5％、82.5％和7.2。

与似然比相关的网络解释 [注：此内容来源于网络，仅供参考]

likelihood ratio test：似然比检验

研究者常需比较k条生存曲线之间是否有显著差别,其方法有多种,SAS中用了以下3种:对数秩检验(Log-rank Test)、威尔科克森检验(Wilcoxon Test)和似然比检验(Likelihood ratio Test).

likelihood ratio test：似然比值检验

likelihood ratio 似然比 | likelihood ratio test 似然比值检验 | limacon of pascal 帕斯卡蚶线

likelihood ratio test：似然比检验;似然比检定

7.light rail train 轻轨列车 | 8.likelihood ratio test 似然比检验;似然比检定 | 9.linear response theory 线性响应理论

maximum likelihood ratio test：似然比检验

Mauchly's test Mauchly检验 | maximum likelihood ratio test 似然比检验 | maximum likelihood,ML 最大似然法

Likelihood ratio test theory：似然比统计量检验理论

过度离散现象over dispersion | 似然比统计量检验理论Likelihood ratio test theory | 无效假设 Null hypothesis

Likelihood ratio：似然比

在分析中,首先,利用流动人口抽样调查中得到的期望子女数信息分析流动人口生育数量偏好,利用家庭理想子女性别构成信息分析流动人口的性别偏好观念,并借助于似然比(Likelihood Ratio)检验判断流动前后生育观念的异同;其次,

likelihood Ratio, LR：似然比

(二)计算似然比(Likelihood ratio'LR)首先,我们需评定有关变量间相关的程度. 如果两个变量完全相关,则在评定危险率时二者不需相比;如完全不相关,则每一个变量均提供各自独立的信息;如部分相关,则每一个变量可提供某些危险性信息. 研究表明[6],

likelihood ratio criterion：似然比准则

807 光学录取设备 Light-pen extraction equipment | 808 似然比准则 Likelihood ratio criterion | 809 似然比接收机 Likelihood ratio receiver

negative likelihood ratio：阴性似然比

反映其正确判断阳性的可能性是错判阳性可能性的倍数,越大越好 阴性似然比(negative likelihood ratio) 指该TM 假阴性率与真阴性率之比,

unlikelihood ratio：非似然比

unlike-signed correlation 异号相关 | unlikelihood ratio 非似然比 | unlimited company 无限公司