樣本容量 的英文怎麼說

中文拼音 [yàngběnróngliáng]
樣本容量 英文
sample size
  • : 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
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  1. If we wish to avoid the inaccuracies caused by the size of the sample, we need to use the t distribution.

    為了避免因樣本容量大小而造成的誤差,我們必須使用T分佈。
  2. Our test with mock samples shows furthermore that one can discriminate among such models already with currently available observational samples ( if the measurement error of the redshift is negligible ) which have a typical error of 80kms - 1. the error will be reduced by a factor of 2 if the samples are increased four times. we also show that an errroneous assumption about the geometry of the universe and different infall models only slightly change the results

    結果表明: ( 1 )若用現有的觀測(特徵誤差為80kms ~ ( - 1 ) )我們已經可以限制星系形成模型,而如果樣本容量增長到4倍,誤差將減半; ( 2 )錯誤地假設宇宙幾何和星系平均內落對結果只有微弱的影響。
  3. If, however, the sample sizes are large enough, we do not need the assumption of normality.

    如果樣本容量充分大,就不必做正態假設。
  4. The graduated 200 < mu > l tips have a reference mark at 10 < mu > l so you can check pipettor calibration and visually estimate sample size

    200微升刻度的吸頭,在10微升處有基準標記,可檢查移液器刻度和估計樣本容量
  5. Commonly, subgroup size, sampling rate, and control limit are three main parameters in designing a control schemes

    通常樣本容量、抽比例和控制線的選擇是設計控制圖的三個主要指標。
  6. Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl

    文以平均運行長度( apl )為衡控制圖有效性的標準,以抽比例和最大可接受錯誤報警率為輸入,通過建立模型的方法,確定最佳的樣本容量和控制線參數。
  7. Will estimators become approximately normally distributed when sample size gets large

    樣本容量變大時是否估計會漸近地趨向于正態分佈?
  8. However, the sample volumes in these studies are small, which leads to the instability sod unreliability of the empirical results, and studies are not adequate concerning the formation causes and mechanisms of leverage effect, weekday effect and herding effect

    但是,在研究中也存在樣本容量小,易導致實證結果不穩定、不可靠,對杠桿效應、周內效應、羊群效應形成原因和機理研究不足等問題。
  9. Using simulation result as a substitute for data of test sampling, obtains the relation between sample size and sum of buildings, and it would be helpful to calculation of sample size

    利用模擬結果代替試驗抽數據,得到了樣本容量與建築總的變化關系,為樣本容量的計算提供了幫助。
  10. Since in many situations the error term is not normally distributed, it is important to know the asymptotic properties ( large sample properties ), i. e., the properties of ols estimator and test statistics when the sample size grows without bound

    由於在很多情形下誤差項可能呈現非正態分佈,了解ols估計和檢驗統計的漸近性,即當樣本容量任意大時的特性就是重要的問題。
  11. The auditors may specify in advance the sampling risk that they want in their sample results and then compute a sample size that controls sampling risk at the desired level

    審計師可以預先設定結果中他們期望的抽風險,然後計算出將抽風險控制在期望水平的樣本容量
  12. The computer stochastic simulation test was used to study repeat number for controlling the probability of type ii errors and establish a formula calculating sample size in the ease of known historical data

    利用計算機摸擬試驗,從控制犯第二類錯誤的概率來研究兩總體均值比較試驗時的重復次數問題,求得在已知歷史資料情況下樣本容量的計算公式。
  13. Based on the sampling error in the normal random sampling and layered sampling, the methods of determining sample volume and selecting of sampling themes are studied

    對於一般隨機抽與分層抽根據給定的抽誤差確定抽,探討樣本容量的計算方法和選擇抽檢驗方案的方法。
  14. The third part in this article has discussed the method which is based on the expectation frequency and use which we get the design value of 1 % and 0. 1 % for some universes. and we also get the correlation diagram of cs and calculation frequency of different sample sizes. then we analyze the variation rule to get the primary discussion for the theory study and production

    文第三篇討論了基於期望概率概念推求各種總體相應於1及0 . 1的設計值的方法,並且得到不同樣本容量的cs和計算頻率的相關圖,分析其變化規律,為理論研究及生產應用作一些初步探討。
  15. In comparison with other statistic test methods, the kolmogorov - smirnov test has many advantages, such as high power, simple calculation, no need for grouping artificially, and no limit of specimen numbers

    與常用的其它統計檢驗方法相比,柯斯二氏檢驗方法具有功效高、計算簡單、不需要人為分組、不受樣本容量大小限制等優點,是一種可用於焊點質穩定性正態檢驗的較為理想的方法。
  16. The research measures improvement features with five aspects - data collection, sample source, sampling measure, sample capacity and feet back rate

    國際商業研究方法的完善性主要體現在數據收集方法、來源、抽方法、樣本容量和反饋率5個主要方面。
  17. The main conclusions are as follows : through the different structure and algorithm application of bp model in the predication of regional groundwater hydrology, the hidden layers number, learning rates, neuron number of hidden layer and training errors of bp model and accelerated bp algorithm which influence the convergence effects and test results of model are compared each other. some application technology related parameters of bp structure design are put forward

    論文取得了以下主要成果:通過不同bp網路結構和演算法在區域地下水文預測中的實例研究,重點比較了不同層次結構、隱層單元數、學習速率、訓練收斂誤差等4個基要素及不同演算法、不同樣本容量等對模型收斂效果、模擬、檢驗與預報結果的具體影響。
  18. In this paper, i study above two issues and gain some results as follows : 1. under population follow normal distribution hypothesis, designing combine median - range adaptive control charts with variable sampling interval, variable sample size and variable control limit. it may be regarded as previously median - range extension

    在假設總體服從正態分佈的條件下,設計了抽區間,樣本容量和控制限都變化的全變化參數的中位值-極差聯合控制圖。它是以前的中位值-極差聯合動態控制圖的推廣。
  19. Based on the single - layer perceptron model, a relation between sample size and error classifying for the design of fault classifier for the afr engine is given

    摘要針對基於單層感知器模型的發動機故障進行分類器設計,研究了故障信號的學習樣本容量和分類誤判率之間的關系。
  20. It can be used to measure mechanical and electrical parameters of relay ; because the reliability of electromagnetic relay is very important to the safe running of the control system, this paper introduces a reliability index for micro - electromagnetic relay. the compliance test - plan of success ratio for it is studied through the application of bayesian theory. the paper compares the methods of classical statistical theory and bayesian theory for making sampling plan of success ratio

    此外,文還介紹了由msc - 51單片機控制的繼電器參數測試系統的原理和方法,能對機械參數和電氣參數進行測試;由於電磁極化繼電器可靠性的高低將直接影響控制系統的安全運行,研究了用bayes理論設計電磁繼電器產品的成功率驗證實驗方案,並與經典方法設計的成功率驗證方案進行了比較,在特定的先驗信息下, bayes方案所需的樣本容量較小。
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