Results 21 to 30 of about 119 (60)

Accuracy in insurance billing error estimation using auxiliary information [PDF]

open access: yes, 2020
Billing fraud by health care providers is a widespread problem to a country’s health care system. This article develops a general theory for estimating the billing error in medical claims within pre-specified error bound using auxiliary information on ...
Chattopadhyay, Bhargab
core   +2 more sources

Sequential $\delta$-optimal consumption and investment for stochastic volatility markets with unknown parameters [PDF]

open access: yes, 2015
We consider an optimal investment and consumption problem for a Black-Scholes financial market with stochastic volatility and unknown stock appreciation rate.
Berdjane, Belkacem   +1 more
core   +4 more sources

Estimation of Scale and Hurst Parameters of Semi-Selfsimilar Processes [PDF]

open access: yes, 2012
The characteristic feature of semi-selfsimilar process is the invariance of its finite dimensional distributions by certain dilation for specific scaling factor. Estimating the scale parameter $\lambda$ and the Hurst index of such processes is one of the
Modarresi, Navideh   +2 more
core   +2 more sources

Nonparametric Recursive Method for Kernel-Type Function Estimators for Censored Data [PDF]

open access: yes, 2020
International audienceIn the present paper we propose recursive general kernel-type estimators for spatial data defined by the stochastic approximation algorithm.
Bouzebda, Salim, Slaoui, Yousri
core   +3 more sources

Sequential Cross-Validated Bandwidth Selection Under Dependence and Anscombe-Type Extensions to Random Time Horizons

open access: yes, 2012
To detect changes in the mean of a time series, one may use previsible detection procedures based on nonparametric kernel prediction smoothers which cover various classic detection statistics as special cases.
Steland, Ansgar
core   +1 more source

Estimating process capability index Cpm using a bootstrap sequential sampling procedure

open access: yes, 2010
Construction of a confidence interval for process capability index CPM is often based on a normal approximation with fixed sample size. In this article, we describe a different approach in constructing a fixed-width confidence interval for process ...
Aerts M.   +28 more
core   +1 more source

Testing-Based Forward Model Selection [PDF]

open access: yes, 2018
This paper introduces and analyzes a procedure called Testing-Based Forward Model Selection (TBFMS) in linear regression problems. This procedure inductively selects covariates that add predictive power into a working statistical model before estimating ...
Kozbur, Damian
core   +1 more source

Bias correction and confidence intervals following sequential tests

open access: yes, 2006
An important statistical inference problem in sequential analysis is the construction of confidence intervals following sequential tests, to which Michael Woodroofe has made fundamental contributions.
Chuang, Chin Shan   +2 more
core   +1 more source

On sequential and fixed designs for estimation with comparisons and applications [PDF]

open access: yes, 2005
A fully sequential approach to the estimation of the difference of two population means for distributions belonging to the exponential family of distributions is adopted and compared with the best fixed design.
Barbour, Ahmed   +2 more
core   +3 more sources

Consistency of the recursive nonparametric regression estimation for dependent functional data

open access: yes, 2013
We consider the recursive estimation of a regression functional where the explanatory variables take values in some functional space. We prove the almost sure convergence of such estimates for dependent functional data.
Amiri, Aboubacar, Thiam, Baba
core   +1 more source

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