A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data

Estimating the covariance matrix of the rank estimators in the accelerated failure time model is complicated in the presence of interval censored data. The main difficulty with the existing estimation methods is that they involve nonparametric approximation of the density function of error terms. In...

Full description

Bibliographic Details
Main Authors: Karimi, Mostafa, Ibrahim, Noor Akma, Abu Bakar, Mohd. Rizam, Arasan, Jayanthi
Format: Conference or Workshop Item
Language:English
Published: 2016
Online Access:http://psasir.upm.edu.my/id/eprint/35591/1/A%20resampling%20method%20for%20estimating%20the%20covariance%20matrix.pdf
_version_ 1796972740464345088
author Karimi, Mostafa
Ibrahim, Noor Akma
Abu Bakar, Mohd. Rizam
Arasan, Jayanthi
author_facet Karimi, Mostafa
Ibrahim, Noor Akma
Abu Bakar, Mohd. Rizam
Arasan, Jayanthi
author_sort Karimi, Mostafa
collection UPM
description Estimating the covariance matrix of the rank estimators in the accelerated failure time model is complicated in the presence of interval censored data. The main difficulty with the existing estimation methods is that they involve nonparametric approximation of the density function of error terms. In this paper a resampling method for approximating the covariance matrix of the rank estimators is developed which is established on the basis of interval censored data. The proposed resampling scheme is assessed through a real example.
first_indexed 2024-03-06T08:32:47Z
format Conference or Workshop Item
id upm.eprints-35591
institution Universiti Putra Malaysia
language English
last_indexed 2024-03-06T08:32:47Z
publishDate 2016
record_format dspace
spelling upm.eprints-355912018-04-30T06:43:30Z http://psasir.upm.edu.my/id/eprint/35591/ A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data Karimi, Mostafa Ibrahim, Noor Akma Abu Bakar, Mohd. Rizam Arasan, Jayanthi Estimating the covariance matrix of the rank estimators in the accelerated failure time model is complicated in the presence of interval censored data. The main difficulty with the existing estimation methods is that they involve nonparametric approximation of the density function of error terms. In this paper a resampling method for approximating the covariance matrix of the rank estimators is developed which is established on the basis of interval censored data. The proposed resampling scheme is assessed through a real example. 2016 Conference or Workshop Item PeerReviewed text en http://psasir.upm.edu.my/id/eprint/35591/1/A%20resampling%20method%20for%20estimating%20the%20covariance%20matrix.pdf Karimi, Mostafa and Ibrahim, Noor Akma and Abu Bakar, Mohd. Rizam and Arasan, Jayanthi (2016) A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data. In: 7th International Conference on Numerical Optimization & Operations Research (ICNOOR-VII), 31Oct. – 2 Nov. 2016, Hanoi, Vietnam. (pp. 12-17). https://jurnalkalam.wordpress.com/volume-9-%E2%99%A6-number-2-%E2%99%A6-december-2016/ 10.5176/2251-1911_CMCGS16.10
spellingShingle Karimi, Mostafa
Ibrahim, Noor Akma
Abu Bakar, Mohd. Rizam
Arasan, Jayanthi
A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title_full A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title_fullStr A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title_full_unstemmed A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title_short A resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
title_sort resampling method for estimating the covariance matrix in semiparametric accelerated failure time model with interval censored data
url http://psasir.upm.edu.my/id/eprint/35591/1/A%20resampling%20method%20for%20estimating%20the%20covariance%20matrix.pdf
work_keys_str_mv AT karimimostafa aresamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT ibrahimnoorakma aresamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT abubakarmohdrizam aresamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT arasanjayanthi aresamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT karimimostafa resamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT ibrahimnoorakma resamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT abubakarmohdrizam resamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata
AT arasanjayanthi resamplingmethodforestimatingthecovariancematrixinsemiparametricacceleratedfailuretimemodelwithintervalcensoreddata