absolute deviations造句

• On weighted total least absolute deviations approach
  关于加权全最小一乘的探讨
• absolute deviation integral
  绝对偏差积分
• Mean absolute deviation
  平均绝对离差
• Dispersal degree test and cross sectional absolute deviation test are two kinds of methods to test herding behavior on the financial market
  摘要分散度检验法和横截面收益绝对差检验法是检验证券市场中羊群行为的两种方法。
• This paper brings forward a quick algorithm theory of least absolute deviation estimator ( lad ) in order to solve the difficult problem of the calculation of lad
  本文针对最小一乘估计计算困难的问题，提出了最小一乘估计的快速算法理论。
• Least squares regression is vulnerable to singular point; least absolute deviations can overcome this shortcoming but difficult in calculation
  摘要采用最小二乘法进行回归分析，容易受到奇异点的影响；最小一乘法虽能很好地克服这一缺陷，但又存在计算困难。
• This article applies the across-sectional absolute deviation of return ( csad ), proves that there exists herding behavior on chinese stock market
  采用横截面收益的绝对差(csad)的方法，对我国股票市场是否存在“羊群行为”进行了实证研究，得到我国的股票市场中确实存在著羊群行为。
• The press come from shares holder is one cause too . this paper then make an empirical research on herd behavior in stock markets with measuring cross-sectional absolute deviation, csad
  该方法的原假设是基金独立决策,在一段时间间隔内,买入某只股票的基金数量的概率分布为二项分布。
• By using lingo software, coefficients can be estimated for linear least absolute deviations regression quickly and accurately, making it an effective approach to coefficient estimation
  利用lingo软件能够快速、准确地估计出最小一乘线性回归的参数，从而使其成为一种有效的参数估计方法。
• By using the transfer relationship of reciprocal judgment matrices and fuzzy complementary judgment matrix in this paper, were introduced two priority methods-least logarithm square method and least olgarithm absolute deviation method
  摘要利用正互反判断矩阵与模糊互补判断矩阵的转换关系，探讨模糊互补判断矩阵的两种排序方法对数最小二乘法和对数最小一乘法。
• When the covariance matrix formed by securities yields is non-oppositive definite, we provide the model with transaction costs, which risk is variance matrix risk . when the covariance matrix formed by securities yields is not exist, the risk we use is absolute deviation risk and semi-absolute deviation, which is differ with traditional risk such as variance matrix risk or semi-variance matrix risk
  在证券收益率协方差阵不一定存在时，给出了不同于以往以证券收益率间的方差或是半方差为风险度量指标而是以绝对离差为风险指标和以半绝对离差为风险指标的含有交易费用的证券组合投资模型。
• When the covariance matrix formed by securities yields is non-oppositive definite, we provide the model with transaction costs, which risk is variance matrix risk . when the covariance matrix formed by securities yields is not exist, the risk we use is absolute deviation risk and semi-absolute deviation, which is differ with traditional risk such as variance matrix risk or semi-variance matrix risk
  在证券收益率协方差阵不一定存在时，给出了不同于以往以证券收益率间的方差或是半方差为风险度量指标而是以绝对离差为风险指标和以半绝对离差为风险指标的含有交易费用的证券组合投资模型。
• This paper uses arch model method in econometrics to set up an auto-regression model with different variance characteristic, which catches to the signal of herd behavior that can be comparatively sensitive . basing on the sample stocks of the index 180 of sse for studying sample, author conduct empirical tests on the non-linear relations between csad ( cross-sectional absolute deviation of returns ) and the market returns to judge whether the herd behavior in the stock market of china is remarkable . according to the empirical analysis, author finds, both in the up-market and down-market, certain herd behavior exist on the stock market of our country
  本文运用计量经济学中的arch模型方法，建立了一个能较为敏感的捕捉到羊群行为信号的具有异方差特性的自回归模型，以上证180指数样本股为研究样本，通过检验个股截面收益的绝对偏差(csad)与市场组合收益的非线性关系，来判断我国股市羊群行为是否显著，通过实证分析，我们发现，无论是市场上涨阶段还是下跌阶段，我国股市都存在一定的羊群行为，同时，本文通过比较分析，对实证结果进行深入的剖析，对羊群行为的形成原因进行简要的分析，并对如何控制羊群行为提出了一些政策性建议。
• Since 1952 the markowitz ’ s mean-variance portfolio theory inception, sur-rounding this issue which how to measure risks, it has generated a lot of risk mea-surement methods and bring a lot of portfolio models, such as mean-semivariancemethods, mean-downside risk methods, mean-absolute deviation methods, mean-absolute semideviation methods, mean-absolute downside risk, and soon . 1999, duarte proposed a portfolio optimization uniform model that unifiedthe six methodologies mentioned above
  自从1952年markowitz的均值-方差投资组合理论问世以来,围绕着如何对风险进行度量这一问题先后产生了许多的风险度量方法,带来了很多的投资组合模型,如均值-半方差法、均值-下滑风险方法、均值-绝对离差方法、均值-绝对半离差方法、均值-绝对下滑风险方法等等。
• The models were validated with adopting local weather ( average temperature per month, average maximum temperature per month; average minimum temperature per month; sunlight times per month, and latitude ), varieties, and experiment data from different yielding levels in nanjing and jinan areas, the correlation coefficient, standard error of absolute deviation, and average absolute deviation between the observed and the stimulated were 0.9761 and 0.9620 with 0.01 significant level, 0.5891 and 0.7094, and 0.12 and 0.43, respectively
  所建模型可以利用当地常年气象资料（30年平均值，如月平均气温、月平均最高和最低气温以及月日照时数、纬度），确定不同地区、产量水平与品种最适叶面积指数动态，为小麦数字化栽培提供科学依据。
• The models were validated with adopting local weather ( average temperature per month, average maximum temperature per month; average minimum temperature per month; sunlight times per month, and latitude ), varieties, and experiment data from different yielding levels in nanjing and jinan areas, the correlation coefficient, standard error of absolute deviation, and average absolute deviation between the observed and the stimulated were 0.9761 and 0.9620 with 0.01 significant level, 0.5891 and 0.7094, and 0.12 and 0.43, respectively
  所建模型可以利用当地常年气象资料（30年平均值，如月平均气温、月平均最高和最低气温以及月日照时数、纬度），确定不同地区、产量水平与品种最适叶面积指数动态，为小麦数字化栽培提供科学依据。