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test of independence
相关语句
  独立性检验
     This paper,based on an investigation of the vision state and the visual acuity changes of students in Ningbo University,makes a study of the visual acuity changes of students during their study in university,with the test of independence of nonparametric statistic method,and points out that the proportion of students with abnormal visual acuity is not only anxiously high but even getting higher.
     本文通过对宁波大学在校学生的视力状况和视力变化情况的调查,采用非参数统计中的独立性检验方法,对学生的视力状况和视力变化情况进行分析,指出不但学生的视力不良率相当高,而且他们的视力仍在继续下降。
短句来源
     Based on the data of harmful algal and environmental factors in Bohai bay, analyzing different dependence of the concentration of harmful algal and environmental factor by linear correlation coefficient, rank correlation coefficient and Hoeffding's test of independence The result proved that wind speed, air pressure, surface temperature, pH value, salinity, DO, silicate and NO 3 - N have a strong correlation with the concentration of harmful algal
     基于渤海湾赤潮藻类浓度及环境因子的监测数据 (2 0 0 3年 5月~ 9月 ) ,以线性相关系数、秩相关系数以及 Hoeffding独立性检验统计量来衡量藻类浓度和环境因子的各种相关性 ,从而选择出影响藻类浓度的主要环境因子 ,结果表明 :风速、气压、表层水温、 p H值、盐度、 DO、硅酸盐、 NO3- - N与藻类浓度密切相关
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  相似匹配句对
     (v) test;
     第五章为测试过程;
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     In Test
     iM测试
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     Test of Flavor Independence in Strong Interaction
     强相互作用味道无关性的检验
短句来源
     Discussion on Independence Condition of Two Samples in F test
     关于F检验中两子样独立性的探讨
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     For the test and maintenace of G.
     针对G.
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  test of independence
In a statistical test of independence, the major determinant of mating choice in these experiments was due to an interaction effect between genotypes and mode of anesthesia.
      
This paper presents a new test of independence (linear and non-linear) among distributions based on the entropy of Shannon.
      
The significance of water depth, sedimentation, nitrogen, phosphorus, top dissolved oxygen, bottom dissolved oxygen, percent light and absolute light was tested using GIS overlay techniques and the Chi Square test of independence.
      
Proportional taxa abundances of pupal exuviae and larvae sampled from 130 m of stream were directly compared by a χ2 test of independence and also separately fitted to four models of species abundance distribution.
      
Test of independence and randomness based on the empirical copula process
      
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This paper,based on an investigation of the vision state and the visual acuity changes of students in Ningbo University,makes a study of the visual acuity changes of students during their study in university,with the test of independence of nonparametric statistic method,and points out that the proportion of students with abnormal visual acuity is not only anxiously high but even getting higher.After making an analysis of the main causes of vision impairment of students,the author proposes some measures...

This paper,based on an investigation of the vision state and the visual acuity changes of students in Ningbo University,makes a study of the visual acuity changes of students during their study in university,with the test of independence of nonparametric statistic method,and points out that the proportion of students with abnormal visual acuity is not only anxiously high but even getting higher.After making an analysis of the main causes of vision impairment of students,the author proposes some measures to protect the vision of students.

本文通过对宁波大学在校学生的视力状况和视力变化情况的调查,采用非参数统计中的独立性检验方法,对学生的视力状况和视力变化情况进行分析,指出不但学生的视力不良率相当高,而且他们的视力仍在继续下降。同时对学生视力下降的主要原因进行了分析,并提出了相应的保护视力的对策。

The authors counted the droppings of the giant pandas by the route method at the Wanglang Nature Reserve and characterized their habitats. Among 390 sampling spots, droppings at 80 sampling spots, dens at 19 sampling spots, bamboo fragments gnawed by pandas at 103 sampling spots, one individual panda at one sampling spot were found. Totally at 125 sampling spots panda traces occurred. Taking position of sampling spots on mountains, diet bamboo species and growth status, forest origin, vegetation types, human...

The authors counted the droppings of the giant pandas by the route method at the Wanglang Nature Reserve and characterized their habitats. Among 390 sampling spots, droppings at 80 sampling spots, dens at 19 sampling spots, bamboo fragments gnawed by pandas at 103 sampling spots, one individual panda at one sampling spot were found. Totally at 125 sampling spots panda traces occurred. Taking position of sampling spots on mountains, diet bamboo species and growth status, forest origin, vegetation types, human disturbance and intensity as factors, and there are 2, 3 or 4 levels in each factor. Then a contingency table for each factor was formed. Occurring of pandas is in the row (r = 2) of contingency table, while the various levels of factors are in the column (c = 2, 3 or 4). The results of chisquare testing of independence show that at the Wanglang Nature Reserve the giant pandas: (1) forage at elevation 2600~3000 m; (2) prefer to Fargesia denudafa and more of their activities happen in forests where arrow bamboo grows better; (3) use more natural habitats rather than artificial ones, but no difference found between the old and secondary forests; (4) use more often coniferous forests; (5) avoid habitats where logging and grazing exist and their exploitation intensity decreases as human disturbance becomes intensive.

利用路线法在野外调查了四川平武王朗自然保护区全部49条沟中390个样点的大熊猫粪便及其所处生境的特征,共发现80个样点有粪便,19个样点有卧穴,103个样点有啃食竹的残桩,1个样点发现大熊猫活个体,总共有125个样点发现有大熊猫的痕迹.把各样点的生境特征,包括在山上的位置、其食竹的种类和生长状态、森林起源、植被类型、人类干扰类型和强度等作为因素,对每一因素设置2,3,或4个水平.将大熊猫的生境各样点有无大熊猫作为行(r=2),将各因素的水平设为列(c=2,3或4),从而组成一个2×c联列表.在某样点是否有大熊猫痕迹与各生境因素的水平相互独立的零假设下,χ2检验的结果表明:(1)大熊猫在海拔2600~3000m取食;(2)对缺苞箭竹有明显的偏好,且在生长良好的生境处活动频繁;(3)对天然生境的利用比对人工林的利用高得多,对原始林和次生林的利用则没有明显差异;(4)更多地利用有针叶林;(5)明显回避有森林采伐和牲畜放牧的生境,且生境利用率随人类干扰强度的增加而减少.

It has primarily been dealt with that in which condition rank vectors based on depth function have a uniform distribution over R,which proves that asymptotic normality of linear rank statistics SN remains true.This asymptotic normality helps to explore the test of independence of higher dimensional random vectors,the twosample location and scale problem and to roughly indicate the relationship between the function of tests and distribution as well.

初步论述了基于深度函数D的秩向量R 在何种情况下服从R上的均匀分布,从而说明线性秩统计量SN的渐近正态性仍成立,然后利用这一性质讨论了多维随机向量的独立性检验,两样本位置与刻度问题,并粗略讨论了检验的功效与分布的关系.

 
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