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...
| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2016
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| Online Access: | http://psasir.upm.edu.my/id/eprint/35591/ http://psasir.upm.edu.my/id/eprint/35591/1/A%20resampling%20method%20for%20estimating%20the%20covariance%20matrix.pdf |
| _version_ | 1848848098158182400 |
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| 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 |
| building | UPM Institutional Repository |
| collection | Online Access |
| 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 | 2025-11-15T09:29:06Z |
| format | Conference or Workshop Item |
| id | upm-35591 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T09:29:06Z |
| publishDate | 2016 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-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/ http://psasir.upm.edu.my/id/eprint/35591/ http://psasir.upm.edu.my/id/eprint/35591/ http://psasir.upm.edu.my/id/eprint/35591/1/A%20resampling%20method%20for%20estimating%20the%20covariance%20matrix.pdf |