List of Publications of Subhash Kochar (as of  September 2023)

1. Dependence among order statistics for Time-transformed Exponential Models. To appear in Probability in Engineering and Information Sciences, (2024). (jointly with F. Spizzichino).
2. Dependence comparisons of order statistics in the proportional hazards model.  Probability in Engineering and Information Sciences, 37 (2023), 730-736.
3. Some New Results on Stochastic Comparisons of Coherent Systems using Signatures.  Journal of Applied Probability, 57, (2020), 156-173 1(jointly with Ebrahim Amini-Seresht and Baha Khaledi)
   
4. On stochastic comparisons of largest order statistics in the scale model Communications in Statistics - Theory and Methods, 44, (2015),  4132-4143.  (jointly with Nuria Torrado)
5. Stochastic comparisons of weighted sums of arrangement increasing random variables.   Statistics and Probability Letters, 102 (2015), 42-50 (jointly with Xiaoqing Pan and Min Yuan).
6. Stochastic order relations among parallel systems from Weibull distributions.  Journal of Applied Probability,  52 (2015), 102-116 (jointly with
   Nuria Torrado).   
7. Reminiscences of the  early developments of some partial orders.   Journal of Indian Statistical Association, 52 (2014), {\bf 52}, 65-79.
8. On the skewness of order statistics with applications. Annals of Operations Research, 212 (2014), 127-138 (jointly with Maochao Xu).
   
9. A review on convolutions of Gamma random variables.  Springer  Lectire Notes in Statistics  Stochastic Orders in Reliability and Risk Management In Honor of Professor Moshe Shaked (2013), 199-217,eds H.Li and X. Li (jointly with B. Khaledi).
10. Excess wealth transform with applications.  Springer Lectire Notes in Statistics :   Stochastic Orders in Reliability and Risk Management In Honor of Professor Moshe Shaked (2013), 273-288, eds H.Li and X. Li  (jointly with Maochao, Xu). 
    
11. Dependence among order statistics - a review and some recent results.  Journal of Indian Statistical Association.  51(2013), 113-135 (jointly with Maochao Xu).
12. Some new applications of PP plots.  Probability in Engineering and Information Sciences  27 (2013), 353-366  (jointly with Isha Dewan)
13. Stochastic comparisons of  order statistics and spacings - a review.   ISRN Probability and Statistics.  (2012), Article ID 839473, 47 pages. (http://archives.pdx.edu/ds/psu/9110)
14. Some unified results on comparing  linear combinations of independent gamma random variables.   Probability in Engineering and Information Sciences,  26 (2012), 393-404  ( jointly with Maochao Xu).
15. On the skewness of order statistics in the multiple-outlier models.   Journal of Applied Probability (2011 )( jointly with Maochao Xu).
16. Stochastic comparisons of spacings from heterogeneous samples. Martin Wells and Ashis Sengupta edited  { Festschrift Volume for Sreenivasa Rao Jammalamadaka}
    pp 113-129 (2011), Springer ( jointly with Maochao Xu).
17.  The tail behavior of the convolutions of  Gamma random variables.   Journal of Statistical  Planning and Inference, 141 (2011), 418-428 (jointly with Maochao Xu).
18. Stochastic comparisons of order statistics in the scale model.   Journal of Statistical Planning and Inference, 141 (2011), 276-286 (jointly with B. Khaledi, S. Farsinejad).
19.  On residual lifetimes of k-out-of-n systems with nonidentical components.  Probability in Engineering and Information Sciences, 24 (2010), 109-127 (jointly with Maochao Xu).
20. On the right spread order of convolutions of heterogeneous  exponential random variables.   Journal of Multivariate Analysis, 101 (2010), 165-176 (jointly with Maochao Xu).
21. Comparisons of parallel systems according to convex transform order.    Journal of Applied Probability , 46 (2009), 342-352 ( jointly with Maochao Xu).
22. On the range of heterogeneous samples.   Journal of Multivariate Analysis 100 (2009), 1587-1592. (jointly with C. Genest,  and Maochao Xu).
23. Connections between some concepts in Reliability and Economics.  Modeling, Computation and Optimization }(2008), 44-55, eds S. K. Neogy, A. K. Das and R. B. Bapat.  ISI Platinum  Jubilee Series on Statistical Science and Interdisciplinary  Research. Publisher: World Scientific Volume. World Scientific, Singapurwala. (jointly with Maochao Xu).
24. A new dependence ordering with applications.  Journal of Multivariate Analysis, 99 (2008), 2172-2184 {jointly with Maochao Xu}.
25. On the dependence between the extreme order statistics in the proportional hazards model.   Journal of Multivariate Analysis, 99 (2008), 777-786  (jointly with  Ali Dolati and  Christian Genest). 
26. Order restricted inference for comparing the cumulative incidence of  a competing risk over several populations.   IMS  Collections , 1 (2007), 51-60  (jointly with Hammou El Barmi and Hari Mukerjee).
27. Some recent results on stochastic comparisons and dependence among order statistics in the case of PHR model.  JIRSS  6 (2007), 125-140  (jointly with Maochao Xu).
    
28. Excess Wealth Order and Sample Spacings. Statistical Methodolgy  4 (2007), 385-392  (jointly with Xiaohu. Li and  Maochao Xu.).
29. Stochastic comparisons of parallel systems when components have proportional hazard rates.   Probability in Engineering and Information Sciences ,  21 (2007), 597-609 (jointly with Maochao Xu).
30. Stochastic orderings of order statistics of independent random variables with different scale parameters.  Communications in Statistics - Theory &  Methods, 36 (2007),  1441-1449 (jointly with  B. Khaledi). 
31. Book review of Stochastic Orders by Moshe Shaked and G. Shanthikumar, Springer (2007).  Biometrics  63 (2007), 629–629.
32. Stochastic  and Dependence Properties of  Generalized Order Statistics.  Recent Developments in Ordered Random Variables (2007), 139-154. Eds  by Ahsanullah and M.Z. Raqab. Nova Publishers, USA. (jointly with B. Khaledi).
33. Smooth Estimation of Uniformly Stochastically Ordered Survival  Functions.   Journal of Combinatorics, Information and System Sciences  31 (2006),  1-13  (jointly with Y. Chaubey).
34. Lorenz ordering of order statistics. Statistics and Probability Letters  76  (2006), 1855-1860.
35. Weibull Distribution: Some Stochastic Comparisons Results. J. Statist. Plan. Inf.  136 (2006),  3121-3129. (jointly with B. Khaledi).
36. Likelihood Ratio Tests For and Against Ordering of the Cumulative Incidence Functions in Multiple Competing Risks and Discrete Mark Variable,  J. Statist. Plan. Inf , 136  (2006), 1588-1607  (jointly with Hammou El Barmi and John Tsimikas).
37. Dispersive Ordering - Some Applications and Examples.  Statistical Papers  47 (2006), 227-247,  (jointly with Jongwoo Jeon and C. G. Park)..  
38. Dependence, Dispersiveness and Multivariate Hazard Rate Ordering.  Probability in Engineering and Information Sciences  19  (2005) , 427-446  (jointly with B. Khaledi).
39. Dependence Orderings for Generalized Order  Statistics. Statistics and Probability Letters  73 , (2005), 357-367,  (jointly with B. Khaledi).
40. On the dependence structure of order statistics.  Journal of Multivariate Analysis  95 (2005), 159-171 , (jointly with Jean Averous and Christian Genest).
41. Ordering convolutions of gamma random variables. Sankhya   66 (2004), 466-473,(jointly with B. Khaledi).
42. Estimation of Cumulative Incidence Functions in Competing Risks Studies Under an Order Restriction. J. Statist.Plan. Inf.    118 (2004),145-165 (jointly with H. El Barmi, Hari Mukerjee and F. Samaniego).
43. Stochastic Orderings among Order Statistics and Sample Spacings. Uncertainty and Optimality--- probability, statistics and operations research.   (2002), 167-203, edited by J.C. Misra. World Scientific Publications, Singapore (jointly with B.Khaledi).
44. Inference for sub-survival functions under order restrictions. Journal of the Indian Statistical Association   40 (2002), 85-103, (jointly with Hammou El-Barmi).
45. The Total Time on Test Transform and the Excess Wealth Stochastic Orders of Distributions. Advances in Applied Probability  40 (2002), 826-845. (jointly with Xiahou Li and Moshe Shaked)
46. Some bivariate notions of IFR and DMRL and related properties. Journal of Applied Probability   39 (2002), 533.544. (jointly w ith Bruno Bassan and Fabio Spizzichino).
47. Estimation of two ordered mean residual life functions. J. Statist.Plan. Inf.    107 (2002), 321-341 (jointly with X. Hu, Hari Mukerjee and F. Samaniego).
48. Generalized supremum tests for the equality of cause specific hazard rates. Lifetime Data Analysis    8 (2002), 277-288. (jointly with Eddy Lam and Paul Yip).
49. Dispersive ordering among linear combinations of uniform random variables. J. Statist. Plan. Inf.    100 (2002), 13-21. ( jointly with B. Khaledi).
50. On random sampling without replacement from a finite population. Ann. Inst. Statist. Math.   53 (2001), 631-646 (jointly with Ramesh Korwar)
51. Dependence properties of multivariate mixture distributions and their applications. Ann. Inst. Statist. Math.   53 (2001), 620-630 (jointly with B. Khaledi).
52. Stochastic properties of spacings in a single-outlier exponential model. Probab. Eng. Info. Sci. 15 (2001),401-408.  (jointly with B. Khaledi).
53. Some new results involving the NBU(2) class of life distributions. in J. Appl. Probab.   38 (2001), 242-247 (jointly with X. Li).
54. Smooth estimators of stochastically ordered survival functions. Journal of the Indian Statistical Association   38 (2000), 209-235.  (jointly with Y.P. Chaubey).
55. Some new results on stochastic comparisons of parallel systems. J. Appl. Probab.   37 (2000), 1123-1128      (jointly with B. Khaledi).
56. Estimation of a monotone mean residual life. Ann. Statist.   28 (2000), 905-921      (jointly with Hari Mukerjee and F. Samaniego).
57. Sample range-some stochastic comparisons results. Calcutta Statistical Association Bulletin    50 (2000), 283-291 (jointly with B. Khaledi).
58. Dependence among spacings. Probab. Eng. Info. Sci. 14 (2000), 461-472     (jointly with B. Khaledi).
59. Stochastic comparisons and dependence among concomitants of order statistics.   Journal of Multivariate Analysis. 73 (2000), 262-281    (jointly with B. Khaledi).
60. Comparing sub-survival functions in a competing risks model. Lifetime Data Analysis   6 (2000), 85-97     (jointly wit h K. C. Carriere).
61. On dispersive ordering between order statistics in one-sample and two-sample problems.   Stats. Prob. Letters  46 (2000), 257-261. (jointly with B. Khaledi).
62. On stochastic orderings between distributions and their sample spacings. Stats. Prob. Letters,  42 (1999), 345-352.
63. Dispersive ordering of convolutions of exponential random variables. Stats. Prob. Letters,  43 (1999), 321-324 (jointly with C. Ma).
64. Stochastic orderings between distributions and their sample spacings - II. Stats.  Prob. Letters,  44 (1999), 161-166 (jointly with B. Khaledi).
65. The `signature' of a coherent system and its application to comparisons among systems. Naval Research Logistic,  46 (1999) , 507-523 (jointly with Hari Mukerjee and F. Samaniego).
66. Partial ordering of distributions based on right-spread functions. J. Appl. Probab. 35 (1998), 221-228 (jointly with Fernandez-Ponce and Mu\~{n}oz-Perez).
67. Restricted tests for testing independence of time to failure and cause of failure in a competing risks model.  Canadian J. Statist. . 26 (1998), 57-68. (jointly with R. Dykstra and T. Robertson).
68. Stochastic comparisons of spacings and order statistics.  Frontiers in Reliability. World Scientific : Singapore.(1998). 201-216. eds., Basu, A. P., Basu, S. K. and Mukhopadhyay, S.
69. Change point tests based on U-statistics with applications in reliability. Metrika 45 (1997), 259-269. (jointly with E.E. Aly).
70. Stochastic properties of order statistics from finite populations. Sankhya Ser A 59 (1997), 102-116. (jointly with Ramesh Korwar).
71. Connections among various variability orderings. Stats. & Prob. Letters  35 (1997), 327-333. (jointly with K. C. Carriere).
72. Inference about the transition-point in a NBUE-NWUE model. Sankhya Ser A 59 (1997), 17-132. (jointly with D.L. Hawkins).
73. Stochastic comparisons of parallel systems of heterogeneous exponential components. J.Stat. Plan. Inf.  65 (1997), 203-212 (jointly with Richard Dykstra and Javier Rojo).
74. Bivariate dependence properties of order statistics. J. Mult. Anal. 56 (1996), 75-89. ( jointly with P.J. Boland, M. Hollander and K. Joag-dev).
75. Dispersive ordering of order statistics. Stats. & Prob. Letters 27 (1996), 271-274.
76. Stochastic orders for spacings of heterogeneous exponential random variables. J. Mult. Anal. 57 (1996), 69-83. (jointly with R. Korwar)
77. Some results on interarrival times of nonhomogeneous Poisson processes. Prob. Engg. Inf. Sci.. 10 (1996), 75-85.
78. Testing whether one risk progresses faster than the other in a competing risk problem. Statistics and Decisions  14 (1996), 209-222. (jointly with R. Dykstra and T. Robertson).
79. A note on dispersive ordering of record values. Calcutta Statistical Association Bulletin  46 (1996), 63-67.
80. Some new results on stochastic comparisons of spacings from heterogeneous exponential distributions. J. Mult. Anal. 59 (1996), 272-281. (jointly with Javier Rojo).
81. A positive dependence paradox and aging distributions. J. Ind. Statist. Assoc. 34 (1996), 105-112. ( jointly with Kumar Joag-dev).
82. A general composition theorem and its applications to certain partial orderings of distributions. Stats.& Prob. Letters 22 (1995), 111-119 (jointly with Frank Proschan and Kumar Joagdev).
83. Likelihood based inference for cause specific hazard rates under order restrictions. J. Mult. Anal. 54 (1995), 263-274. (jointly with R. Dykstra and T. Robertson).
84. Likelihood ratio tests for bivariate symmetry against ordered alternatives. Stats. & Prob. Letters 22 (1995), 167-173 (jointly with Hammou El Barmi).
85. Some new results on normalized spacings from restricted families of distributions. J. Stat. Plan. Inf. 46 (1995), 47-57. (jointly with S. Kirmani).
86. Inference for likelihood ratio ordering in two probability distributions. J. Amer. Statist. Assoc. 90 (1995), 1034-1040 (jointly with R. Dykstra and T. Robertson).
87. Likelihood ratio tests for symmetry against one-sided alternatives. Ann. Inst. Statist. Math. 47 (1995), 719-730. (jointly with R. Dykstra and T. Robertson).
88. A review of some distribution-free tests for the equality of cause specific hazard rates. Analysis of Censored Data - the IMS -LNMS 27 (1995), 147-162, eds. J. V. Deshpandé and Hira Koul.
89. On likelihood ratio ordering of order statistics. Linear Algebra and Its Applications 199 (1994), 281-291 (jointly with R.B. Bapat).
90. On testing for independence against right tail increasing. Metrika 41 (1994), 211-225 (jointly with E. E. Aly).
91. Monotonicity properties of the ordered ranks in the two sample problem. Stats. & Prob. Letters  20 (1994), 63-67.
92. Some tests for comparing cumulative incidence functions and cause specific hazard rates.J. Amer. Statist. Assoc.  89 (1994), 994-999 (jointly with E.A.A. Aly and Ian McKeague).
93. A cusum test for symmetry against positive biasedness. Calcutta Statistical Association Bulletin  44 (1994), 157-163 (jointly with E. E. Aly ).
94. On hazard rate ordering of dependent variables. Adv Appl. Prob. 25 (1993), 477-482. (jointly with E.E. Aly).
95. Characterizations of identically distributed independent random variables using order statistics. Stats. & Prob. Letters 17 (1993), 225-230. (jointly with R.B. Bapat).
96. On the Triples test for symmetry. Stats. & Prob. Letters 14 (1992), 311-312.
97. Rank order probabilities for the two sample dispersion problem. Stats. & Prob. Letters 13 (1992), 203-208 (jointly with George Woodworth).
98. A note on characterization of symmetry about a point and on the triples test. The Statistician 41 (1992), 161-163.
99. Testing exponentiality against IDMRL distributions with unknown change point. Ann. Statist 20 (1992), 280-290 (jointly with D.L. Hawkins and Clive Loader).
100. Independence of time and cause of failure in the dependent competing risks models. Statistica Sinica 1 (1991), 295-299 (jointly with Frank Proschan).
101. Statistical inference for uniform stochastic ordering in several populations. Ann. Statist. 19 (1991), 870-888 (jointly with R. Dykstra and T. Robertson).
102. Inference for the crossing point of two continuous c.d.f.'s. Ann. Statist. 19 (1991), 1626-1638 (jointly with D.L. Hawkins).
103. Testing whether F is more IFR than G. Metrika  37 (1990), 45-58 (jointly with I. A. Ahmad).
104. Distribution-free tests based on sub-sample extrema for testing against positive dependence. Aust. J. Statist. 32 (1990), 45-52 (jointly with R.P.Gupta).
105. Some partial ordering results on record values. Commun.Statist.- Theor. Meth. 19 (1990), 299-306.
106. On preservation of some partial orderings under shock models Adv.Appl. Prob. 22 (1990), 508-509.
107. A distribution-free test for the equality of two failure rates in the presence of competing risks. Commun. Statist. Theor. - Meth. 18 (1989), 107-120 (jointly with Isha Bagai and J.V.Deshpandé).
108. Testing for superaddivity of the mean value function of a non- homogeneous Poisson process. Commun. Statist. Theor. -Meth. 18 (1989), 1549-62 (jointly with T. Ramallingam).
109. On extensions of DMRL and related partial orderings of life distributions.Stochastic Models 5 (1989), 235-46.
110. Some distribution-free tests for testing homogeneity of location parameters against ordered alternatives. J. Indian Stat. Assoc. 27 (1989),1-8 (jointly with Amita).
111. Distribution-free tests for the stochastic ordering alternatives under the competing risk model. Biometrika 76 (1989), 775-81 (jointly with Isha Bagai and J. V. Deshpandé).
112. Testing for dispersive ordering. Stats. & Prob. Letters  7 (1988), 179-185 (jointly with I.A.Ahmad).
113. A Monte-Carlo study of some tests for testing exponentiality against positing aging. Commun. Statist. -Simula. 17 (1988), 803-811 (jointly with R. P. Gupta).
114. Nonparametric tests for independence in bivariate reliability models. Proceedings of the International Conference on Advances in Multivariate Statistical Analysis (1988), 203-217, edited by J. K. Ghosh and S. DasGupta, (jointly with J.V.Deshpandé).
115. Some results on weighted distributions for positive-valued random variables. Prob. Eng. Inf. Sci.1 (1987), 417-423 (jointly with R.P. Gupta).
116. Partial orderings of life distributions with respect to their aging properties. Naval Research Logistic 34 (1987), 823-829 (jointly with D. Weins).
117. Competitors of the Kendall-Tau test for testing independence against positive quadrant dependence. Biometrika 74 (1987), 664-66 (jointly with R.P. Gupta).
118. Dispersive ordering and superadditive ordering. Adv. Appl. Prob. 18 (1986), 1019-22 (jointly with Alzaid, Ahmed and Bartoszewicz).
119. A class of distribution-free tests for testing homogeneity of scale against ordered alternatives. Advances in Order Restricted Statistical Inference (1986), 169-183, edited by Richard Dykstra, Tim Robertson and Tim Wright, Springer-Verlag, (jointly with R.P. Gupta).
120. Testing for star-equivalence of two probability distributions. J. Indian Statist. Assoc. 24 (1986), 21-30 (jointly with Kalpana Kusum and J.V. Deshpandé).
121. Aspects of positive aging. J. Appl. Prob. 23 (1986), 748-58 (jointly with J.V. Deshpandé and H. Singh).
122. A test for exponentiality against HNBUE alternative. Commun. Statist. Theor. Meth. 15 (1986), 2295-2304 (jointly with H. Singh).
123. Some competitors of Mood's test for the two-sample scale problem. Commun, Statist. Theor. Meth. 15 (1986), 231-239 (jointly with R.P. Gupta).
124. On tail-ordering and comparison of failures rates. Commun. Statist. Theor. Meth. 15 (1986), 1377-1388 (jointly with Isha Bagai).
125. A new class of tests for testing exponentiality against positive aging. J. Indian Statist. Assoc. 23 (1985), 89-96 (jointly with J.V. Deshpandé).
126. On exponential scores statistic for testing against positive aging. Stat.& Prob. Letters  3 (1985), 71- 73 (jointly with J.V. Deshpandé).
127. Testing exponentility against monotone failure rate average. Commun. Statist. Theor. Meth. 14 (1985), 381-392.
128. Testing goodness of fit in terms of the failure rate function. IAPQR Transactions  9 (1984), 1-6.
129. Dispersive ordering is the same as tail ordering. Adv. Appl. Prob. 15 (1983), 686-87 (jointly with J.V.Deshpandé).
130. A test for exponentiality against IFR alternatives. IAPQR Transactions 8 (1983), 1-8 (jointly with J.V.Deshpandé).
131. A linear combination of two U-statistics for testing new better than used. Commun. Statist. 12 (1983), 153-160 (jointly with J.V.Deshpandé).
132. Some competitors of the Wilcoxon-Mann-Whitney test for the location alternative. J. Indian Statist. Assoc. 20 (1982), 9-18 (jointly with J. V. Deshpandé).
133. A new distribution-free test for the equality of two failure rates. Biometrika 68 (1981), 423-426.
134. Some competitors of the tests based on powers of ranks for the two sample problem. Sankhya Ser. B 42 (1980), 236-41 (jointly with J. V. Deshpandé).
135. Distribution-free comparison of two probability distributions with reference to their hazard rates. Biometrika 66 (1979), 437-41.
136. A class of distribution-free tests for the two sample slippage problem. Commun. Statist. Theor. Meth. A7 (1978), 1243-52.
137. A class of distribution-free tests for the two sample location- scale problem. Bulletin of the International Statistical Institute 47 (1977), 288-291.

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Last updated :  Nov 2010