Research

Publications

Journal

1. Khan, Ruhul Ali (2023). Two-sample nonparametric test for proportional reversed hazards. Computational Statistics & Data Analysis, 182, 107708. [Link ]

2. Khan, Ruhul Ali (2022). Resilience family of receiver operating characteristic curves. IEEE Transactions on Reliability, Accepted for publication.[Link]

3. Khan, Ruhul Ali (2022), Bhattacharyya, Dhrubasish and Mitra, Murari. On some properties of distributions possessing a bathtub-shaped failure rate average. Journal of Applied Probability, Accepted for publication. 

4. Bera, Smaranika, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2022). Test for harmonic mean residual life function: A goodness of fit approach. Mathematics and Computers in Simulation. [Link] 

5. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). A new family of tests for DMTTF alternatives under complete and censored samples. Communications in Statistics - Simulation and Computation.  [Link]

6. Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2021). Exact and asymptotic tests of exponentiality against nonmonotonic mean time to failure type alternatives. Statistical Papers 62, 3015–3045. [Link ]

7. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). A goodness of fit test for mean time to failure function in age replacement. Journal of Statistical Computation and Simulation: 91(17), 3637-3652. [Link]

8. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). Tests for Laplace order dominance with applications to insurance data. Insurance: Mathematics and Economics: 99, 163-173. [Link]

9. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). Two-sample nonparametric test for comparing mean time to failure functions in age replacement. Journal of Statistical Planning and Inference: 212, 34 - 44. [Link]

10. Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2021). On classes of life distributions based on the mean time to failure function. Journal of Applied Probability: 58(2), 289-313. [Link]

11. Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2021). On some properties of the mean inactivity time function. Statistics & Probability Letters: 170, 108993. [Link]

12. Khan, Ruhul Ali and Mitra, Murari (2021). Estimation issues in the Exponential-Logarithmic model under hybrid censoring. Statistical Papers: 62, 419–450. [Link]

13. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). A test of exponentiality against DMTTF alternatives via L-statistics. Statistics & Probability Letters: 165, 108853. [Link]

14. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). A nonparametric test for comparison of mean past lives. Statistics & Probability Letters: 161, 108722. [Link]

15. Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2020). A change point estimation problem related to age replacement policies. Operations Research Letters: 48(2), 105-108. [Link]

16. Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). Stochastic comparisons of series, parallel and k-out-of-n systems with heterogeneous bathtub failure rate type components. Physica A: Statistical Mechanics and its Applications: 540, 123124. [Link]

17. Khan, Ruhul Ali and Mitra, Murari (2019). Sharp bounds for survival probability when ageing is not monotone. Probability in the Engineering and Informational Sciences: 33(2), 205-219. [Link]

 Conference

1. Mitra,  Murari  and Khan, Ruhul Ali (2021). Reliability Shock Models: A Brief Excursion. In: Laha A.K. (ed) Applied Advanced Analytics. Springer Proceedings in Business and Economics. Springer, Singapore. [Link]

Communicated Papers

1. Bera, Smaranika, Khan, Ruhul Ali, Bhattacharyya, Dhrubasish, Mitra, Murari. A change point estimation problem when ageing is not monotone. (Submitted; Status: Under Review)

2. Khan, Ruhul Ali}, Bhattacharyya, Dhrubasish, Mitra, Murari and Nadarajah, Saralees. Stochastic comparisons of $k$-out-of-$n$ systems involving Gompertz model. (Status: Unsubmitted)

3. Bera, Smaranika, Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari. Stochastic ordering results for $k$-out-of-$n$ systems with  generalized Gompertz components and related issues. (Submitted; Status: Under Review)

4. Panja, Arindam, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali, and Pradhan, Biswabrata. Nonparametric test for harmonic mean residual life order in the two-sample problem. (Status: Unsubmitted)

5. Bera, Smaranika, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari. A goodness of fit test against MIT order dominance with application to HIV data. (Submitted; Status: Under Review)