Results 41 to 50 of about 2,848,958 (338)

Double Kernel Estimation of Sensitivities [PDF]

open access: yesJournal of Applied Probability, 2009
In this paper we address the general issue of estimating the sensitivity of the expectation of a random variable with respect to a parameter characterizing its evolution. In finance, for example, the sensitivities of the price of a contingent claim are called the Greeks. A new way of estimating the Greeks has recently been introduced in Elie, Fermanian
openaire   +5 more sources

Nonparametric Inference in Mixture Cure Models

open access: yesProceedings, 2018
A completely nonparametric method for the estimation of mixture cure models is proposed. Nonparametric estimators for the cure probability (incidence) and for the survival function of the uncured population (latency) are introduced.
Ana López-Cheda   +3 more
doaj   +1 more source

Research Based on High-Dimensional Fused Lasso Partially Linear Model

open access: yesMathematics, 2023
In this paper, a partially linear model based on the fused lasso method is proposed to solve the problem of high correlation between adjacent variables, and then the idea of the two-stage estimation method is used to study the solution of this model ...
Aifen Feng   +4 more
doaj   +1 more source

Kernel density classification and boosting: an L2 sub analysis [PDF]

open access: yes, 2005
Kernel density estimation is a commonly used approach to classification. However, most of the theoretical results for kernel methods apply to estimation per se and not necessarily to classification.
B.W. Silverman   +25 more
core   +2 more sources

A tutorial on kernel density estimation and recent advances [PDF]

open access: yes, 2017
This tutorial provides a gentle introduction to kernel density estimation (KDE) and recent advances regarding confidence bands and geometric/topological features.
Yen-Chi Chen
semanticscholar   +1 more source

Convergence Analysis of MAP Based Blur Kernel Estimation [PDF]

open access: yesIEEE International Conference on Computer Vision, 2016
One popular approach for blind deconvolution is to formulate a maximum a posteriori (MAP) problem with sparsity priors on the gradients of the latent image, and then alternatingly estimate the blur kernel and the latent image.
Sunghyun Cho, Seungyong Lee
semanticscholar   +1 more source

Rating Crop Insurance Policies with Efficient Nonparametric Estimators That Admit Mixed Data Types

open access: yesJournal of Agricultural and Resource Economics, 2006
The identification of improved methods for characterizing crop yield densities has experienced a recent surge in activity due in part to the central role played by crop insurance in the Agricultural Risk Protection Act of 2000 (estimates of yield ...
Jeffrey S. Racine, Alan P. Ker
doaj   +1 more source

Fused kernel-spline smoothing for repeatedly measured outcomes in a generalized partially linear model with functional single index

open access: yes, 2015
We propose a generalized partially linear functional single index risk score model for repeatedly measured outcomes where the index itself is a function of time.
Jiang, Fei, Ma, Yanyuan, Wang, Yuanjia
core   +1 more source

Interval Estimation of Value-at-Risk Based on Nonparametric Models

open access: yesEconometrics, 2018
Value-at-Risk (VaR) has become the most important benchmark for measuring risk in portfolios of different types of financial instruments. However, as reported by many authors, estimating VaR is subject to a high level of uncertainty.
Hussein Khraibani   +2 more
doaj   +1 more source

Blind Deconvolution with Scale Ambiguity

open access: yesApplied Sciences, 2020
Recent years have witnessed significant advances in single image deblurring due to the increasing popularity of electronic imaging equipment. Most existing blind image deblurring algorithms focus on designing distinctive image priors for blur kernel ...
Wanshu Fan   +3 more
doaj   +1 more source

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