損失函數 的英文怎麼說

中文拼音 [sǔnshīhánshǔ]
損失函數 英文
loss function
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 損失 : 1. （失去） lose 2. （失去的東西） loss; wastage
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The admissibility theorem under symmetric entropy loss function

    對稱熵損失函數下的一個可容許性定理的證明
  2. One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory

    本文首先重點探討了極值分佈var模型（包括廣義極值分佈和廣義帕雷托分佈兩個模型）和分位數回歸var模型；然後在此基礎上將六個var模型（包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法）實證應用於估計上證指數、上證180 、深證成指、深證綜指95 var和99 var ；同時採用區間預測法、損失函數法和符號檢驗法對這些var模型進行了選擇評估。
  3. The class of distributions includes the weibull, burr - type x, pareto and beta distributions. a proper general prior density function is suggested, and predictive density functions are obtained in one - and two - sample cases when the history sample is a type ii double censored sample. illustrative examples are given

    在type雙刪失數據場合下，討論了雙參數burr - type分佈參數的貝葉斯估計，在所取的損失函數分別為平方損失， linex損失，熵損失函數下得到了參數的貝葉斯估計，並且給出一種近似演算法。
  4. Quality loss function ( qlf ) is the basis of taguchi. g method

    質量損失函數是田口方法基礎，用損失函數測定質量更加符合實際。
  5. At first we compare some kinds of investment loss function, analyze their defects and take the eignvalue of covariance matrix as the measurement of investment risk, the principle component as the information of investment market, sn and cv of the principle component as balance relationship between the profit and risk. then different portfolio selection indexes are given, and new portfolio selection models are presented, which are different from h. markowitz model. at last an example is also given

    本文首先比較了幾種常用的投資損失函數，在分析它們的缺陷與不足的基礎上，提出了採用收益率的協方差矩陣的特徵根刻畫投資的風險；用主成份綜合反映證券市場的信息；分別採用主成份的差異系數與信噪比反映投資組合的期望收益率與風險之間的均衡關系，並以此作為投資組合損失最小化與收益極大化的指標；得到了不同於h
  6. Parameter estimation of exponential distribution under q - symmetric entropy loss function

    對稱熵損失函數下指數分佈的參數估計
  7. Estimation of scale parameter of normal distribution under q - symmetric entropy loss function

    對稱熵損失函數下正態總體刻度參數的估計
  8. Estimation of scale parameter under a symmetric loss function

    一種對稱損失函數下刻度參數的最優同變估計
  9. Estimation of scale parameter of the normal distribution under a symmetric loss function

    一種對稱損失函數下正態總體刻度參數的估計
  10. The six sigma black belt will be able to use a quadratic loss function to compute the cost of a given process

    譯文：六西格瑪黑帶能夠使用二次品質損失函數來計算給定過程的成本。
  11. 4. in this part, we obtain the empirical bayes estimation for the parameter of the gamma distribution families y (, 1 / 2 ), and obtain convergent rate

    針對伽瑪分佈族（ ， 1 / 2 ） ，在加權平方損失函數下，得到了其參數的經驗bayes估計及其收斂速度。
  12. The utility cost function is considered, which includes the increase of trip expense and trip time, reduction of comfort and decrease of convenience during the transfer

    該效用損失函數充分考慮了居民換乘導致出行時間和費用的增加以及舒適性和方便性的損失。
  13. Firstly, it introduces the gradient boosting theory and the no weight regression algorithm based on this theory, then it presents the experimental results of a practical problem

    首先對以損失函數梯度下降為原理的樣本無權值演算法進行了闡述，並給出了一個實際問題的模擬結果。
  14. We present most of the concepts we will need ( like target space, loss function, empirical risk, expected risk, and hypothesis space ) and explain the structure of the theoretical part of the course

    課程中將呈現我們所需的概念，且解釋課程的部份理論（如標的空間、損失函數、經驗風險、期望風險和假設空間）的架構。
  15. On the strength of the square loss function, this part also defines the vector loss function and matrix loss function, and discusses the bayesian risk decision solutions about random vector parameter and random matrix parameter under these loss functions respectively. secondly, the bayesian inference theory about single equation model is explored

    在單參數平方損失函數的基礎上，定義了向量損失函數，利用向量化運算元vec定義了矩陣損失函數，並討論了這兩類損失函數下隨機向量參數和隨機矩陣參數的貝葉斯風險決策解。
  16. At last the toleramce design has been fulfilled with the method of inner and outer design integral analyse, the effect of the clear factors on the characteristic and stability of the product has been studied, through which the qulity losing function has been established, and the toleramce of the clear factors have been made sure

    最後進行了產品的容差設計。通過內、外設計的直積分析方法，分析了顯著因素的誤差對產品性能及穩定性的影響，建立了質量損失函數和確定了顯著因素的容差。
  17. Chapter 2, introduce the definition of var and the approaches of calculate var. chapter 3, the feedback testing of var model. this chapter presents a variety of feedback testing approaches to var model and indicates that mixed kupiec testing and simplified cd testing can effectively evaluate a var medel

    在分析討論了巴塞爾（ basle ）委員會的模型評價方法、 k叩iec檢驗方法、 lopez的損失函數法、 cd （ crnkovieanddrachman ）檢驗法的基礎上，給出了混合kupiee檢驗和簡化的cd檢驗方法。
  18. For a given matrix 0, when the real dispersion matrix varying within certain range, the glse ( the equation is abbreviated ) is the minimum risk estimator under a large class of loss functions, which implies the glse is a robust estimator with respect to dispersion matrix and loss functions

    證明當協方差陣在一定范圍內變動時，廣義最小二乘估計在一大類損失函數下都是風險最小的估計；廣義最小二乘估計關于協方差陣和損失函數同時具有穩健性。
  19. ( 4 ) disadvantages of subjective and objective weights, and of not considering weight randomness in the combined weighting model are discussed. the randomness of weight based on bayes " theory is studied in principle of loss function. the weight with statistic meaning is combined

    （ 4 ）針對指標主客觀權重各自的不足及組合賦權法中沒有考慮權重隨機性的問題，基於bayes估計，在最小損失函數為原則下，研究了大壩指標權重的不確定性，並對具有統計學意義的權重進行了融合處理，使得指標權重更客觀有效。
  20. It is more suitable to the practice using qlf to measure quality. this paper discusses the defect of quadratic loss function and studies the models of inverted normal and inverted gamma loss function. we explore the relationship between qlf and signal - to - noise ( sn ), put forward multivariate qlf model based on sn, which overcome the flaw that single - characteristic can not reflect multi - characteristic in practice

    本文討論了二次損失函數模型的局限，在此基礎上研究了逆正態、逆伽瑪損失函數模型；探討了質量損失函數與信噪比的關系，提出了基於信噪比的多元質量損失函數模型，克服了單質量屬性不能反映實際中多維質量屬性的質量損失的弊端，實例證明該方法是可行的。
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