confidence interval 中文意思是什麼

confidence interval 解釋
可靠區間
  • confidence : n. 1. 信任,信賴。2. 自信,確信;自恃。3. (偷偷吐露的)秘密,心事。4. (多指懷惡意的)膽量;厚臉,無恥。adj. 騙得信任的,欺詐的。 a confidence tricker 騙子。
  • interval : n 1 (空間方面的)間隔;空隙。2 (時間方面的)間隔,間歇;工間休息,幕間休息。3 【軍事】(各小隊...
  1. In the presented method, the point estimations of the model parameters, aandb in the new model, are given by the least square method. the confidence interval for the parameter b is given as well. an engineering illustration is used to compare the result of the presented method with those of amsaa - bise model and duane model

    該模型充分考慮了增長過程中的各種可得信息,採用非參數方法得到多臺系統在各同步停止試驗時刻的可靠度,並利用最小二乘法擬合求得該模型中參數a , b的點估計值,以及b的置信限。
  2. On bootstrap confidence interval and hypothesis test of cox model

    區間估計和假設檢驗
  3. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率,論文進一步研究了sar圖像目標方位角估計方法,提出了一種利用峰值特徵基於線性回歸的sar目標方位角估計方法,該方法除了具有計算速度快、估計精度較高的特點之外,還能在估計方位角的同時,給出該估計的置信區間,從而能更好地滿足利用特徵基於模型saratr系統的需要。
  4. Precision and reliability are two contradictory aspects of the theory of interval estimates. to find a confidence interval of prescribed width and prescribed probability is of groat importance in practical applications, arid thereby sequential procedures have to be employed in many cases

    精確度與可靠度是區間估計理論中互相矛盾的兩個方面,尋找同時滿足精確度與可靠度的區間估計在實際應用中具有重要價值。
  5. 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。
  6. Confidence limits are the upper and lower limits of the confidence interval.

    置信限是指置信區間的界限。
  7. We will express the confidence interval in standard errors rather than in numerical values.

    表達置信區間通常使用平均誤差,而不使用具體數值。
  8. Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method

    文摘:本文導出了壽命分佈為對數正態分佈時基於截尾樣本環境因子的點估計和近似置信限,對所給近似置信區間作了模擬研究。
  9. Research on fatigue intensifying test of driving axle and estimating confidence interval of fatigue life

    驅動橋疲勞強化試驗及疲勞壽命的置信區間估計
  10. In light of the above, the real electrostatic sensitivities of 105 electric primers are tested and the confidence interval of its minimum electrostatic ignition energy is determined

    測試了105電火帽的真實靜電感度,確定了其靜電最小點火能量的置信區間。
  11. The confidence interval is the range of the estimate we are making.

    置信區間是所確定的估計值的取值范圍。
  12. The confidence interval ( c. i. ) of unknown parameter represents the range of the value and the reliability about estimation of parameter

    未知參數的置信區間表示該參數的取值范圍及其可信程度,置信區間的長度表示區間估計的精度。
  13. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開,對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析,採用線性回歸,灰預測,神經網路bp演算法,基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度,經多種方法的比較得出,基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。
  14. Computation on the shortest confidence interval

    最短置信區間的計算
  15. System marginal price prediction and confidence interval estimation with - support vector machine

    生物組織凍結相變過程的數值模擬
  16. Among women who reported current aspirin use, the multi - variate relative risk of all - cause death was 0. 75 ( 95 % confidence interval, 0. 71 - 0. 81 ) compared with women who never used aspirin regularly

    在目前使用阿斯匹林的婦女中,與從未規律的的使用過阿斯匹林的相比,所有引起死亡的多變量相對危險度為0 . 75 , ( 95 %的可信區間為0 . 71 ~ 0 . 81 ) 。
  17. The confidence set turns out to be all the possible values between a lower and an upper limit, so that the confidence set is an interval, i. e., confidence interval

    這樣的集合稱為置信集,預先設定的真值屬於此集合的概率稱為置信水平(置信度) 。
  18. Then, the confidence interval of future stoch prices based on a certain probability is obtained, and as an application, some risk analyses were conducted

    運用這一結果,給出了一定概率意義下未來股價的置信區間,作出了對實際投資者有一定參考價值的風險分析。
  19. You can also set a confidence interval for your predicted

    您還可以為您預計的
  20. This limitation is overcome by constructing a confidence interval

    這一缺陷是通過構造置信區間來解決的。
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