非参数估计

Weapply the kernel methods of regression functions and conditional density functions to obtain aseries ofβas the estimators ofβ.

回归函数核估计方法中，又分别提出了在选定连续样本点和离散样本点时的两种非参数估计模型，并对这两种模型做了详细的阐述。

Non-parametric estimations reveal that the fat tail of the distribution of stock return satisfies power law decay.

非参数估计显示股票收益分布的非正态性及"肥尾"现象，其尾部满足幂律衰减。

But one major weakness of the empirical ROC curve estimator is its jagged form, since the true ROC curve is a smooth function.

在ROC 曲线的各种非参数估计中，经验ROC 曲线是最常用的方法，但经验ROC 曲线的函数值是跳跃的，往往与真实ROC 曲线的光滑性不符。

By using the observed data, some nonparametric estimating methods, such as jackknife and bootstrap, were used to estimate the numbers of species in the community.

用实测数据对物种数目的非参数估计法的评价表明，用自助法所得到的物种估计数，与客观实际更为接近。

First, in this paper, based on the fundamental theory and methods of survival analysis, martingale analysis method of point process in stochastic process is introduced and product limit estimator of non-parametric estimation is discussed.

本文在综述生存分析中的基本理论与方法的基础上，引入了随机过程中的点过程鞅分析方法，探讨了非参数估计中的乘积限估计。

A new method for image denoising, nonparametric estimation, worth a visit.

详细说明：一种图像去噪的新方法，非参数估计，值得一看。

Keywords: Interval-censored data;nonparametric estimation;semiparametric model;nonlinear regression

中文关键词：区间删失数据；非参数估计；半参数模型；非线性回归

Estimation of spectral densities for single and multiple time series. Nonparametric estimation of spectral density, cross-spectral density, and coherency for stationary time series, real and complex spectrum techniques.

时间序列谱分析：单个和多个时间序列的谱密度估计，谱密度的非参数估计，交叉谱密度，静态时间序列的一致性，实时和复杂的谱技术，双频谱Bispectrum。

By the idea of non-parametric estimate and the wide understanding of weight function, we obtain a method of randomizing the restrictive conditions of nonlinear regression model.

对带约束条件的非线性模型问题进行了探讨，利用非参数估计的思想，广义地理解权函数估计中的权，给出了一种方法－&约束条件的随机化方法&。

Based on a multivariate extension of the constrained locally polynomial estimator of Ait-Sahalia and Duarte (2003), we provide one of the first nonparametric estimates of probability densities of LIBOR rates under forward martingale measures and state-price densities implicit in interest rate cap prices.

根据局部性 Ait-Sahalia 与 Duarte (2003)多项式估计的多元扩展，我们提供了基于远期鞅方法首个伦敦银行同业拆借利率非参数估计的概率密度，以及隐性利率上限价格中的国家价格密度。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。