數據抽樣 的英文怎麼說
中文拼音 [shǔjùchōuyàng]
數據抽樣
英文
data sample- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 抽 : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 數據 : data; record; information
- 抽樣 : [統計] sample; sampling; specimen; samples draw
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Occupy what held recently " dozenth academic communication meets an epidemiology of countrywide heart and vessels " the data of exposure makes clear, the philtrum of blood pressure has been measured in these, know oneself blood pressure is worth, or whether is him understanding hypertensive number, occupy only by 43. 9 % of investigation number, in addition, the rate taking drug of sampling crowd and rate of blood pressure control are very low also
據近日召開的「第十二屆全國心血管流行病學學術交流會」披露的資料表明,在這些測過血壓的人中,知道自己的血壓值,或了解自己是否為高血壓的人數,只佔被調查人數的43 . 9 % ,此外,抽樣人群的服藥率與血壓控制率也很低。Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時,由於poisson分佈的特性,我們知道不存在其參數區間長度小於0 . 5的置信區間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間, wald置信區間, bayes置信區間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信區間如:修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度,我們提出了一種漸近的兩階段區間估計程序,並利用數值計算的方法,在各種置信系數與區間長度限定下,算出了最優的第一階段觀測次數(抽樣量) ,大量數據表明,本文考慮的方法性態良好,具有應用價值。Water samples are taken regularly throughout the entire supply and distribution system. the sampling points include water treatment works, service reservoirs, trunk mains, connection points and domestic taps. the data from these samples are checked against the world health organization s guidelines for drinking - water quality, which were developed by experts from around the world
在整個供水及輸水系統中,有關人員經常從濾水廠、配水庫、輸水干管、供水接駁位置和用戶水頭抽取樣本進行化驗,鑒定化驗數據所顯示的水質是否符合世界?生組織所訂定的飲用食水水質準則。The department of ecology and biodiversity of the university of hong kong has been appointed to carry out the 2001 - 02 programme. the main aspects of monitoring include sampling of marine benthic animals, analysing bird population data, habitat extent and conditions. cross reference will be made to environmental data such as mudflat sedimentation, water quality, sediment quality and land use changes
香港大學的生態學及生物多樣化學系,獲委派進行二零零一至零二年度的計劃,主要監測范圍包括抽樣調查海洋底棲動物、分析鳥類種群數據、生境分佈及狀況;亦會參考相關的環境數據,例如泥灘的沉積情況、水質、沉積物的質素、土地用途改變等,作為對照。In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules
本文以鉻酸陽極氧化表面處理工藝為研究對象,通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作,研究建立了表面處理工藝動態質量管理系統;針對冶金特種工藝質量控制的復雜性及統計數據量大等特點,建立了以計算機數據庫管理為基礎的表面處理信息及處理系統;為解決冶金特種工藝原材料入廠復驗任務重的困難,建立了以原材料入廠復驗的試驗結果為評價基礎,以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。The commercenet organization is working to coordinate industry, government, and academic efforts to advance practices and technologies that enable electronic commerce through activities such as the eco framework, a project to develop open registries for interchange of semantics
驅動程序以及與前面相同的數據庫名稱,但是,這一次它從issues . rdf文件讀取數據,如果還記得的話,該文件包含從樣本問題跟蹤器文件中抽取的元數據。One way to deal with that data diversity is to provide an abstraction layer that can mask differences in data location and data type
處理這種數據多樣性的方法之一是提供一個抽象層,屏蔽數據位置和類型的差異。Its core arithmetic is i d3 and ftart. to guarantee the sample data as science, entireness, typical, and accurate, the author selected the samples from the investigating network of shanghai statistic bureau, which were composed of 300 households in total and 292 effective samples were defined finally. the research lasted a period of one year and data collected within each season
為確保研究樣本數據的科學性、全面性、典型性和準確性,筆者結合由本人主持完成的香港理工大學itc的「中國家庭服裝消費結構狀況及影響因素」的課題研究,採用了上海統計局家庭計劃調查網路,抽取樣本300戶,回收有效問卷292份,整個調查歷時一年,分四季完成。Secondly , the author point out the problems of development of chinese tourism marketing for example , the tourism marketing is not perfect , and the marketing kind is not complete , and the system of tourism marketing is imperfect and so on in the end , the author gives some advice how to settle these problems in order to make chinese tourism industry great progress the system of tourism maketing should be meliorated ; model of sales promotion of tourism product should be improved ; new objective tourism marketing should be developed , for instance , we should develop education tourism marketing , rural tourism marketing and the rich residents of tourism marketing many methods of demonstration are adopted , qualitative analysis and quantitative analysis are integrated ; deductjve reasoning and induction are expioited with ease ; the author anach importance to empoloy relative theorv , of tourism , at the same time , the researching of the calse is emphasized
這篇論文針對我國目前的旅遊市場進行宏觀分析,首先就我國旅遊市場的宏觀背景即國內旅遊市場發展背景和國際旅遊、旅遊市場研究進展和趨勢進行初步探悉,運用現實的統計數據和抽樣調查數據進行分析論證;其次就我國目前旅遊市場的現狀和存在的問題進行闡述和分析,然後針對我國目前旅遊市場的特徵和存在的問題提出發展戰略和解決措施,分析問題的方法上主要採用抽樣調查、比較分析法、演繹與歸納、定量與定性相結合等。The last part demonstrates the scientific and feasibility of the sharing mechanism model of education cost and construction and execution blue print of the tuition policy by analyzing real data with the rules of payment capability and profit capability and combining the suggestions and opinions of graduates at school, teachers and the outside people. the real data are got from questionnaire, visiting and analyzing individual case in x x university
論文最後一部分,採用問卷調查、深入訪談和個案分析等實證研究方法,對大學的在校研究生進行抽樣調查,採用網路調查數據,用支付能力原則和收益能力原則對獲得的數據加以分析,並綜合在讀研究生、高校教師和社會人士的意見和建議,對研究生教育成本分擔機制模型和學費政策方案的合理性、科學性和可行性進行論證。The design adopts ac sample method to get 3 - phase voltage and current samples. the design computes three basic electric parameters according the sample values and monitors the voltage and current of pumping machine with keyboard and lcd
對抽油機工作電壓、電流進行數據採集,用方均根值法由交流采樣值計算三個基本電參數,並通過lcd和鍵盤進行隨時的監測。Inaccuracies in survey data attributable to “ the luck of the draw " in creating a probability sample
在產生概率抽樣時由於抽樣不足而造成的數據偏差By sampling survey method, from the aspects of bibliographical availability, the ratio of book forecasting, fields for description, description format, acquisition costs etc., the paper makes a comparative analysis among the main chinese books acquisition bibliographies, including xinhua book news, cip data, national new books information, and bibliographies compiled by publishers, and hope can provide useful experience information for the selecting of library acquisition bibliography
摘要本文採用抽樣調查方法,對新華書目報(社科版與科技版) 、 cip數據、全國新書目和出版社自編書目等國內主要中文圖書采訪書目,從書目可供性、預告率、圖書預告征訂的實際可供時間跨度、著錄欄位、著錄格式(排版顯示格式) 、採集成本等方面進行比較分析,為落實《圖書館采訪工作規范》中的「選擇出最適合於本館使用的書目」提供借鑒。Monte carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. when comes to bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one
蒙特卡羅是一種採用統計抽樣理論近似求解數學或物理問題的方法,它在用於解決貝葉斯分類時,首先根據已知的先驗概率獲得各個類標號未知類的條件概率分佈,然後利用某種抽樣器,分別得到滿足這些條件分佈的隨機數據,最後統計這些隨機數據,就可以得到各個類標號未知類的后驗概率分佈。Where it is possible to obtain statistical data through sampling surveys, major surveys and administrative records, no regular overall statistics forms shall be drawn up or issued
凡通過抽樣調查、重點調查、行政記錄能取得統計數據的,不得制發全面定期統計報表。Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude, according to three element theories of the attitude, by way of random sampling of strata, the paper has carried on measurement of travel attitude of zhengzhou city, wuzhi county and yuanyang county resident. in writing this paper, the author designed a travel attitude inventory, which had been proved to be of good reliability and validity. then it carries on factor analysis and cluster ' s analysis to the measurement
本研究在對態度、旅遊態度的概念、理論和旅遊態度的研究現狀進行述評的基礎上,依據態度的三元素理論,採用經過信度、效度檢驗的自編旅遊態度問卷,以分層隨機抽樣的方式,對鄭州市、武陟縣和原陽縣居民的旅遊態度進行了測量,並對測量數據進行因素分析和聚類分析。Verification is a process conducted by an independent, third party that validates the reported claims and data by systematically sampling and checking information in the report and supporting data collection systems, and interviewing management and technical staff
核實指委託獨立第三者,透過有系統的抽樣及查核報告資料與實質數據收集系統,以及訪問管理及技術人員,從而核實報告的內容和數據。This system is set up on the existing search engine foundations through web services " technology, has solved variety and non - structural web data with xml technology, has formed web multi - level data base, and constructed the system structure in high performance of data warehouse, utilized midas technology to form the high - performance index storehouse structure, has remedied the deficiency of search engines at coverage, accuracy etc, and improved efficiency of information retrieval
該系統通過webservices技術,建立在現有搜索引擎基礎之上,以xml技術解決了多樣性和非結構性的web數據轉換,形成了web多層次數據庫,利用了web挖掘面向結構化或半結構化數據的智能化數據抽取和知識發現過程,並且構造了數據倉庫的高性能查詢體系結構? hpqs ,利用midas技術形成了高性能索引庫結構,彌補了當前搜索引擎在覆蓋范圍、準確率、復雜查詢語言的使用和結果表現方式等方面的不足,改善了信息檢索的效率。Our proposed approach is to split the dataset sample into two parts and change the strategy of scanning datasets into two loop, the inner loop and the outer loop. the scan of the dataset will become the outer loop and the scan of the draws from the posterior distribution
該演算法對數據集進行劃分,改變mcmc對數據集的掃描策略,將其分開為內、外兩個循環過程,外循環中掃描數據集,內循環掃描分佈函數的抽樣值。In order to improve the efficiency, we use the sampling points of the sequences to compute the distance of two sequences. the distance of sampling points is used to filter the sequence of the database, so the similarity searching space is reduced and the efficiency of the query is improved
在保持序列變化模式的前提下,使用抽樣點來計算序列之間的dtw距離,並依據抽樣比率和查詢參數選擇過濾距離對序列數據庫進行過濾,實驗結果表明,抽樣過濾的方法明顯提高了查詢效率。分享友人