Faculty details

Prof.Nabakumar Jana

Designation: Associate Professor

Department: Mathematics & Computing

Email: nabakumarjana[at]iitism[dot]ac[dot]in

Contact Number:

Office Number: +91-326-223-5460

Personal Page: Under Construction

Research Interest: Statistical Inference, Classification Problem, Reliability Estimation

Teaching

MCD516 Industrial Statistics

NMCC513 Probability and Statisics

MCC505 Probability and Statistics

Academics

  • Ph.D., 2016, Indian Institute of Technology Kharagpur
  • M.Sc., 2011, Indian Institute of Technology Kharagpur
  • B.Sc. (Honours), 2009, Kharagpur College, Vidyasagar University

 

Position

  • Associate Professor, Department of Mathematics and Computing, Indian Institute of Technology (ISM) Dhanbad (12.07.2024 - )
  • Assistant Professor, Department of Mathematics and Computing, Indian Institute of Technology (ISM) Dhanbad (25.10.2017 to 11.07.2024)
  • Assistant Professor, Department of Mathematics, National Institute of Technology Meghalaya (27.08.2015 to 24.10.2017)
  • Visiting Scientist, ISRU, Indian Statistical Institute Kolkata (June 01-July 31, 2017)

Awards and Honors

  • Best Ph.D. Thesis Award in Statistics, 2016-Indian Society for Probability and Statistics (ISPS)
  • Prof. R. S. Varma Best Paper Award, IMSCT 2014-FIM XXIII
  • Gold Medal from Vidyasagar University for 1st rank, 2009
  • Principal Sripati De Merit Medal from Kharagpur College
  • Beni Madhab De & Parul Bala De Merit Medal from Kharagpur College
  • Gold Medal from Vidyasagar Vidyapith, Midnapur

Publications

List Of Research Publications (only in Peer-reviewed Journals)

  • Jana, N., & Gautam, M. (2025). Testing the homogeneity of mean parameters in two independent zero-adjusted inverse gaussian distributions. Journal of Statistical Computation and Simulation, 1–26.
  • Chakraborty, A., & Jana, N. (2024). Bayes estimation of ratio of scale-like parameters for inverse gaussian distributions and applications to classification. Computational Statistics, 1–22.
  • Jana, N., & Bera, S. (2024). Estimation of multicomponent system reliability for inverse weibull distribution using survival signature. Statistical Papers, doi:10.1007/s00362-024-01588-4, 1–32.
  • Bera, S., & Jana, N. (2023). Estimating reliability parameters for inverse gaussian distributions under complete and progressively type-II censored samples. Quality Technology & Quantitative Management, 20(3), 334–359.
  • Jana, N., & Chakraborty, A. (2023). Estimating error rate of classification into several normal populations under equal mean restriction. Communications in Statistics-Simulation and Computation, 1–24.
  • Bera, S., & Jana, N. (2022). On estimating common mean of several inverse Gaussian distributions. Metrika, 85(1), 115–139.
  • Dey, S., & Jana, N. (2022). Inference on parameters of watson distributions and application to classification of observations. Journal of Computational and Applied Mathematics, 403, 1138–47.
  • Jana, N., & Bera, S. (2022a). Estimation of parameters of inverse Weibull distribution and application to multi-component stress-strength model. Journal of Applied Statistics, 49(1), 169–194.
  • Jana, N., & Bera, S. (2022b). Interval estimation of multicomponent stress–strength reliability based on inverse Weibull distribution. Mathematics and Computers in Simulation, 191, 95–119.
  • Jana, N., & Chakraborty, A. (2022). Estimation of ordered restricted standard deviations of the normal populations with a common mean. Statistics, 56(4), 867–890.
  • Jana, N., & Dey, S. (2022). Estimating parameters of mixtures of multivariate t-populations and application to classification of observations. Journal of Computational and Applied Mathematics, 416, 114541.
  • Jana, N., & Gautam, M. (2022a). Confidence intervals of difference and ratio of means for zero-adjusted inverse gaussian distributions. Communications in Statistics-Simulation and Computation, 1–22.
  • Jana, N., & Gautam, M. (2022b). Interval estimation of the common mean and difference of medians for a bivariate lognormal distribution. Journal of Statistical Computation and Simulation, 95(15), 3249–3274.
  • Jana, N., & Dey, S. (2021). Classification of observations into von Mises-Fisher populations with unknown parameters. Communications in Statistics-Simulation and Computation, 1–22.
  • Jana, N., Kumar, S., Chatterjee, K., & Kundu, P. (2021). Estimating stress-strength reliability for exponential distributions with different location and scale parameters. International Journal of Advances in Engineering Sciences and Applied Mathematics, 13(2), 177–190.
  • Kundu, P., Jana, N., Kumar, S., & Chatterjee, K. (2020). Stress-strength reliability estimation for exponentially distributed system with common minimum guarantee time. Communications in Statistics-Theory and Methods, 49(14), 3375–3396.
  • Jana, N., & Kumar, S. (2019). Ordered classification rules for inverse Gaussian populations with unknown parameters. Journal of Statistical Computation and Simulation, 89(14), 2597–2620.
  • Jana, N., Kumar, S., & Chatterjee, K. (2019). Inference on stress–strength reliability for exponential distributions with a common scale parameter. Journal of Applied Statistics, 46(16), 3008–3031.
  • Jana, N., & Kumar, S. (2017). Classification into two normal populations with a common mean and unequal variances. Communications in Statistics-Simulation and Computation, 46(1), 546–558.
  • Qin, H., Jana, N., Kumar, S., & Chatterjee, K. (2017). Stress–strength models with more than two states under exponential distribution. Communications in Statistics-Theory and Methods, 46(1), 120–132.
  • Jana, N., & Kumar, S. (2016). Classification into two-parameter exponential populations with a common guarantee time. American Journal of Mathematical and Management Sciences, 35(1), 36–54.
  • Jana, N., Kumar, S., & Chatterjee, K. (2016). Bayes estimation for exponential distributions with common location parameter and applications to multi-state reliability models. Journal of Applied Statistics, 43(15), 2697–2712.
  • Jana, N., Kumar, S., & Misra, N. (2016). Classification rules for two parameter exponential populations under order restrictions on parameters. Journal of Statistical Computation and Simulation, 86(8), 1559–1581.
  • Jana, N., & Kumar, S. (2015). Estimation of ordered scale parameters of two exponential distributions with a common guarantee time. Mathematical Methods of Statistics, 24(2), 122–134.

Papers in conference abstract volumes / presented

  • Basu, S., Jana, N., Krishna, V., Mahadevappa, M., Mukherjee, J., Guha, R., & Kumar, S. (2021). Statistical analysis of emotional response through physiological signals. In Proceedings of the International Conference on Computing and Communication Systems: I3cs 2020, NEHU, Shillong, India (Vol. 170, p. 189). Springer.
  • Basu, S., Jana, N., Bag, A., Mahadevappa, M., Mukherjee, J., Kumar, S., & Guha, R. (2015). Emotion recognition based on physiological signals using valence-arousal model. In 2015 Third International Conference on Image Information Processing (ICIIP) (pp. 50–55). IEEE.
  • Jana, N., Kumar, S., & Misra, N. (2014). Classification rules for exponential populations under order restrictions on parameters. In Mathematics and computing 2013 (pp. 243–250). Springer.

Projects & Activities

Sponsored Research Projects (External Funded)

  • Inference on parameters of discriminant functions and model-based classification for multivariate distributions; Sponsored by SERB, DST, GoI; Sanctioned Rs. 6,60,000/-
  • Ordered classification rules for an observation into several correlated normal, elliptic, von Mises-Fisher and multivariate t-populations” Sponsored by SERB, DST, GoI; Rs. 16,74,292/-

Guidance

Ph.D. Supervision-02 (Ongoing)

M.Tech & M.Sc. Students Supervision-05 (Ongoing)