The population sampling survey, conducted by Shanghai Municipal Statistics Bureau, reveals a rapid rise in the size of the unmarried population, especially women.
上海市统计局开展的一项人口抽样调查显示,上海未婚人口数量正在迅速上升,尤其是未婚女性数量。
The third command samples 15% of all rows, does not collect distribution statistics, and also applies sampling to indexes which the first and second commands didn't.
第三个命令抽取 15%的行,但是不收集分布统计信息,并对索引也应用了抽样,这不同于第一个命令和第二个命令。
An internal algorithm is used to compare newly collected statistics with a saved set of statistics, and RUNSTATS with sampling is issued based on certain conditions being triggered.
可以用内部算法来比较新收集的统计信息与已保存的一组统计信息,并基于某些触发条件发出包含抽样的RUNSTATS。
But, row level sampling may produce more accurate statistics if relational data values are highly clustered.
但是,如果关系数据值是高度聚集的,那么行级抽样可以产生更精确的统计信息。
Extended statistics are collected on objects referenced in the MQT definition using sampling.
扩展的统计信息是使用采样在MQT定义中引用的对象上收集得到的。
Example 27. Collect detailed catalog statistics on both indexes, but use sampling instead of performing detailed calculations for each index entry.
收集两个索引上的详细目录统计信息,但对每个索引条目使用抽样来代替执行详细的计算。
In summary, the accuracy of statistics depends on the sampling rate, the data skew, and data clustering for data sampling.
总之,统计信息的准确性取决于抽样率、数据倾斜(data skew)以及用于数据抽样的数据群集。
The first runstats commands collects the most comprehensive and detailed statistics for the table customer and all its indexes without sampling.
第一个runstats命令为表customer和它的所有索引收集最全面、最详细的统计信息,而没有采用抽样。
Example 38. To collect extended index catalog statistics specifying that sampling should be used.
收集扩展的索引目录统计信息,指定使用抽样。
The included file, Distribution.php, contains methods that generate sampling-distribution statistics for several commonly used sampling distributions (Student t, Fisher f, Chi Square).
所包含的文件Distribution . php包含了为几个常用的抽样分布(t分布、f分布和X平方分布)生成抽样分布统计信息的方法。
Performs statistical analysis using tools such as: descriptive statistics, measurement system analysis, hypothesis testing, designed experimentation, control chart theory, acceptance sampling, etc.
运行以下工具进行统计分析:如描述性统计、测量系统的分析、假设检验、设计实验,控制理论图、验收抽样等。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the resolution clause specifies the minimum number of rows to sample for column distributions.
在使用MEDIUM模式的显式的UPDATESTATISTICS操作中,可以在resolution子句中使用新的SAMPLINGSIZE选项为列分布抽样指定最小行数。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the Resolution clause can specify the minimum number of rows to sample for column distributions.
在MEDIUM模式的显式的UPDATESTATISTICS操作中,resolution子句中新的SAMPLINGSIZE选项可以指定列分布进行抽样的最少行数。
A hypothesis method of a batch of products received or refused in sampling inspection by means of mathematical statistics was put forward.
应用数理统计的知识,给出了产品抽样检查中批产品被接收(或拒收)的假设方法。
Adopts the group sampling law to choose 434 example physical exam rural women to carry on the questionnaire survey, carries on statistics analysis.
采取整群抽样法选择434例健康体检农村妇女进行问卷调查,进行统计学分析。
By using the statistics method provided by the ASTM, a software was developed to determine the sampling number of carrying out municipal solid waste composition analysis.
利用ASTM提供的的统计学原理,编制了一个可以求出垃圾成分分析采样次数的软件。
Method: This text to attend for my city 2004 ~ 2006 years whole country three time cause of death Review sampling of cause of death the data carried on to statistics analysis.
方法:本文对我市2004 ~ 2006年参加全国第三次死因回顾抽样调查的死因资料进行了统计分析。
The sampling statistics of publishing period have been made for the recently published mathematical journals.
对近期数学学术期刊的出版周期现状做了抽样统计。
Monte Carlo Method is a method seeking the answer by adopting sampling statistics.
统计试验法是一种采用统计抽样理论近似地求解问题的方法。
The present invention, corresponding to the aforesaid method, also provides a data package sampling statistics device.
与上述方法相对应,本发明还提供一种数据包抽样统计的装置。
In this paper, the author arrives at the method keying to random sampling sum distribution in normal statistics structure.
给出了常见的统计结构中随机样本和的分布的求解方法。
Wushu articles of sports publication published in 90's were analyzed and studied by means of sampling investigation and statistics.
采用抽样调查、统计方法,对体育刊物九十年代发表的武术文章进行分析、研究。
Next, its operation is explained with details by 6 steps:setting up research purposes, sampling, designing analysis dimensions, quantifying data, analyzing reliability and taking statistics.
接着,通过建立研究目标、内容抽样、设计分析维度体系、量化处理、信度分析、统计分析6个步骤,进一步详细说明方法的操作过程。
Based on statistics character of traffic in a large-scale network, the steady metrics that can estimated network behavior are found and a sampling measurement model is presented in this paper.
基于大规模网络流量的统计特征,寻找能够评价网络行为的稳定测度,并建立抽样测量模型。
And related studies are also done in this thesis. During the research, methods such as questionnaires, mathematical statistics, sampling tests and contrast analysis are employed.
在研究过程中,主要应用了调查问卷、数理统计、问卷测验和对比测试等研究方法。
In practical monitoring, due to sampling error or negligence error or artificial compilation, etc, the reported statistics may contain some dubious data.
在实际体质监测工作中,由于抽样调查技术或疏忽大意导致错误,或人为的编造等原因,会使报上来的数据产生可疑数据。
Methods. Randomly sampling 1200 outpatients' prescriptions from the center and doing statistics about the constitution of diseases and expense.
方法:按照随机的原则,随机抽取该中心2 0 0 1年门诊处方12 0 0份,进行疾病构成及费用情况的统计分析。
Statistics group of Matematic Research Institute of the Chinese Academy of Science, "Sampling Inspection Method", Science Press, 1977.3.
中国科学院数学研究所统计组抽样检验方法。科学出版社。1977年3月。
Statistics group of Matematic Research Institute of the Chinese Academy of Science, "Sampling Inspection Method", Science Press, 1977.3.
中国科学院数学研究所统计组抽样检验方法。科学出版社。1977年3月。
应用推荐