27.- S. Das, S. Kayal, N. Torrado.

Ordering results between extreme order statistics in models with 

dependence defined by Archimedean [survival] copulas.

Ricerche di Matematica

RdM, Publisher: Springer ISSN: ???

DOI: s11587-022-00715-3

JCR 2022: 91/329 (Q2/T1) 

Impact Factor: 1.200

26.- N. Torrado.

Optimal component-type allocation and replacement time policies for 

parallel systems having multi-types dependent components.

Reliability Engineering and System Safety, volume 224, Article 108502, August 2022.

RESS, Publisher: Elsevier, ISSN: 0951-8320

DOI: j.ress.2022.108502

JCR 2022: 8/86 (Q1/D1)

Impact Factor: 8.100

25.- N. Torrado.

Comparing the reliability of coherent systems with 

heterogeneous, dependent and distribution-free components.

Quality Technology & Quantitative Management, vol. 18(6), 740-770.

QTQM, Publisher: Taylor and Francis, ISSN: 1684-3703

DOI: 10.1080/16843703.2021.1963033

JCR 2021: 22/125 (Q1/T1)

Impact Factor: 2.614

24.- J.A. Borrego-Morell, E.J. Huertas, N. Torrado.

On the effect of COVID-19 pandemic in the excess of human 

mortality. The case of Brazil and Spain.

PLoS ONE, 2021, 16(9 September), e0255909.

eISSN:1932-6203

DOI: 10.1371/journal.pone.0255909

JCR 2021: 29/74 (Q2/T2)

Impact Factor: 3.752

23.- N. Torrado, A. Arriaza and J. Navarro.

A study on multi-level redundancy allocation in coherent systems 

formed by modules.

Reliability Engineering and System Safety, vol. 213, 107694, September 2021.

RESS, Publisher: Elsevier, ISSN: 0951-8320

DOI: 10.1016/j.ress.2021.107694

JCR 2021: 11/87 (Q1/T1)

Impact Factor: 7.247

22.- N. Torrado.

On allocation policies in systems with dependence structure and random selection of components.

Journal of Computational and Applied Mathematics 388, 113274, May 2021.

JCAM, Publisher: Elsevier, ISSN: 0377-0427

DOI: 10.1016/j.cam.2020.113274

JCR 2021: 37/267 (Q1/T1)

Impact Factor: 2.872

21.- N. Torrado and J. Navarro.

Ranking the extreme claim amounts in dependent individual risk models.

Scandinavian Actuarial Journal, vol. 2021, issue 3, pp. 218-247, April 2021.

SAJ, Publisher: Taylor & Francis Ltd., ISSN: 0346-1238

DOI: 10.1080/03461238.2020.1830845

JCR 2021: 53/125 (Q2/T2),

Impact Factor: 1.782

20.- J. Navarro, N. Torrado and Y. del Águila. 

Methodology and Computing in Applied Probability, vol. 20, pp. 411-433, 2018.

MCAP, Publisher: Springer, ISSN: 1387-5841

DOI: 10.1007/s11009-017-9562-7

JCR 2018: 89/123 (Q3/T3), 

Impact Factor: 0.746

19.- N. Torrado.

Stochastic comparisons between extreme order statistics from scale models. 

Statistics, vol. 51, issue 6, pp. 1359-1376, 2017.

Statistics, Publisher: Taylor & Francis LTD, ISSN: 0233-1888

DOI: 10.1080/02331888.2017.1316505

JCR 2017: 103/123 (Q4/T3), 

Impact Factor: 0.606

18.- T. Cagin, P.E. Oliveira and N. Torrado.

A moderate deviation for associated random variables. 

Journal of the Korean Society, vol. 45, issue 2, pp. 285-294, June 2016.

JCR 2016: 95/124 (Q4/T3)

 Impact Factor: 0.579

17.- N. Balakrishnan and N. Torrado.

Comparisons between largest order statistics from multiple-outlier models. 

Statistics, vol. 50, issue 1, pp. 176-189, February 2016.

JCR 2016: 81/124 (Q3/T2)

 Impact Factor: 0.807

16.- P.E. Oliveira and N. Torrado.

On proportional reversed failure rate class.

Statistical Papers, vol. 56, issue 4, pp. 999-1013, November 2015.

JCR 2015: 70/123 (Q3/T2)

 Impact Factor: 0.781

15.- S.C. Kochar and N. Torrado.

On stochastic comparisons of largest order statistics in the scale model.

Communications in Statistics-Theory and Methods, vol. 44, issue 19, pp. 4132-4143, October 2015.

COMMUN STAT THEORY, Publisher: Taylor & Francis LTD, 

ISSN: 0361-0926

DOI: 10.1080/03610926.2014.985839

JCR 2015: 120/123 (Q4/T3)

 Impact Factor: 0.300

14.- N. Torrado and R.E. Lillo.

Likelihood ratio comparisons among spacings related to both one or two samples.

Statistics, vol. 49, issue 4, pp. 831-841, August 2015.

Statistics, Publisher: Taylor & Francis LTD, ISSN: 0233-1888

DOI: 10.1080/02331888.2014.908192

JCR 2015: 97/123 (Q4/T3)

 Impact Factor: 0.530

13.- N. Torrado.

Tail behaviour of consecutive 2-within-m-out-of-n systems with 

nonidentical components.

Applied Mathematical Modelling, vol. 39, pp. 4586-4592, June 2015.

AMM, Publisher: Elsevier, ISSN: 0307-904X

DOI: 10.1016/j.apm.2014.12.042

JCR 2015: 13/101 (Q1/T1)

 Impact Factor: 2.291

12.- N. Torrado.

On magnitude orderings between smallest order statistics from 

heterogeneous beta distributions.

Journal of Mathematical Analysis and Applications, vol. 426, issue 2, pp. 824-838, June 2015.

JMAA, Publisher: Elsevier, ISSN: 0022-247X

DOI: 10.1016/j.jmaa.2015.02.003

JCR 2015: 56/312 (Q1/T1)

 Impact Factor: 1.014

11.- N. Torrado and S.C. Kochar

Stochastic order relations among parallel systems from Weibull distributions. 

Journal of Applied Probability, vol. 52, issue 1, pp. 102-116, March 2015.

JAP, Publisher: Applied Probability Trust, ISSN: 0021-9002

View at Publisher

JCR 2015: 81/123 (Q3/T2)

Impact Factor: 0.665

10.- N. Torrado

Comparisons of smallest order statistics from Weibull distributions with 

different scale and shape parameters. 

Journal of the Korean Statistical Society, vol. 44, issue 1, pp. 68-76, March 2015.

JKSS, Publisher: Elsevier, ISSN: 1226-3192

DOI: 10.1016/j.jkss.2014.05.004

JCR 2015: 118/123 (Q4/T3)

Impact Factor: 0.353

9.- N. Torrado

Upper and lower bounds for ordered random variables in Proceedings of the 18th European Young Statisticians Meeting (2014), pp. 165-169, edited by Nenad Suvak. ISBN: 978-953-6931-70-5.

View at Publisher

8.- M. Burkschat and N. Torrado.

On the reversed hazard rate of sequential order statistics. 

Statistics & Probability Letters, vol. 85, pp. 106-113, February 2014.

S&PL, Publisher: Elsevier, ISSN: 0167-7152

DOI: 10.1016/j.spl.2013.11.015

JCR 2014: 91/122 (Q3/T3)

Impact Factor: 0.595

7.- N. Torrado, M.P. Wiper and R.E. Lillo.

Software reliability modeling with software metrics data via Gaussian processes. 

IEEE Transactions on Software Engineering, vol. 39, issue 8, pp. 1179-1186, August 2013.

TSE, Publisher: IEEE Computer Soc, ISSN: 0098-5589

DOI: 10.1109/TSE.2012.87

JCR 2013: 7/105 (Q1/D1)

Impact Factor: 2.292

6.- N. Torrado and R.E. Lillo.

Sample spacings with applications in multiple-outlier models in Stochastic Orders in Reliability and Risk (2013), pp. 103-123, edited by Haijun Li and Xiaohu Li, Springer. ISBN: 978-1-4614-6891-2.

View at Publisher

5.- N. Torrado and R.E. Lillo.

Likelihood ratio order of spacings from two heterogeneous samples. 

Journal of Multivariate Analysis, vol. 114, pp. 338-348, February 2013.

JMVA, Publisher: Elsevier, ISSN: 0047-259X

DOI: 10.1016/j.jmva.2012.08.015

JCR 2013: 57/119 (Q2/T2)

Impact Factor: 0.943

4.- N. Torrado and J.J.P. Veerman.

Asymptotic reliability theory of k-out-of-n systems. 

Journal of Statistical Planning and Inference, vol. 142, issue 9, pp. 2646-2655, September 2012.

JSPI, Publisher: Elsevier, ISSN: 0378-3758

DOI: 10.1016/j.jspi.2012.03.015

JCR 2012: 73/117 (Q3/T2)

Impact Factor: 0.713

3.- N. Torrado, R.E. Lillo and M.P. Wiper.

Sequential order statistics: ageing and stochastic orderings. 

Methodology and Computing in Applied Probability, vol. 14, issue 3, pp. 579-596, September 2012.

MCAP, Publisher: Springer, ISSN: 1387-5841

View at Publisher

JCR 2012: 78/117 (Q3/T2)

Impact Factor: 0.647

2.- N. Torrado, R.E. Lillo and M.P. Wiper.

Comparing stochastically the components of sequential k-out-of-n systems, Proceedings of the 7th International Conference on Mathematical Methods in Reliability: Theory, Methods and Applications (2011), edited by L. Cui and X. Zhao.   ISBN: 978-7-5640-3983-7.

1.- N. Torrado, R.E. Lillo and M.P. Wiper.

On the conjecture of Kochar and Korwar. 

Journal of Multivariate Analysis, vol. 101, issue 5, pp. 1274-1283, May 2010.

JMVA, Publisher: Elsevier, ISSN: 0047-259X

DOI: 10.1016/j.jmva.2009.11.006

JCR 2010: 48/110 (Q2/T2)

Impact Factor: 1.010