Teacher Details

Ramanathan T V

Department of Statistics

ram@unipune.ac.in

Research Areas : Inference in Stochastic Processes, Financial Time Series, Nonparametric Inference, Generalized Linear Models, Model Selection, Econometrics


Google Scholar Profile | ResearchGate Profile

1)    Awale, M., Kashikar, A.S., Ramanathan T.V. (2023). Forecasting overdispersed INAR(1) count time series with negative binomial marginal. Communications in Statistics-Simulation and Computation, 52 (6), 2497-2517. WoS Citations: 1, ISSN(print/online): 0361-0918/1532-4141, URL/DOI: http://dx.doi.org/10.1080/03610918.2021.1908559
2)    adhav, D.K., Variyam, R.T. (2023). Modified Expected Shortfall: a Coherent Risk Measure for Elliptical Family of Distributions. Sankhya B: The Indian Journal of Statistics, 85, 234–256 . ISSN(print/online): 0976-8386/0976-8394, URL/DOI: http://dx.doi.org/10.1007/s13571-022-00294-1
3)    Pandhare, S.C., Ramanathan, T.V. (2023). The robust desparsified lasso and the focused information criterion for high-dimensional generalized linear models. Statistics, 57 (1), 1-25. ISSN(print/online): 0233-1888/1029-4910, URL/DOI: http://dx.doi.org/10.1080/02331888.2022.2154769
4)    Nunkoo, H.B.S., Gonpot, P.N., Ramanathan, T.V. (2022). Autoregressive conditional duration models for high frequency financial data: an empirical study on mid cap exchange traded funds. Studies in Economics and Finance, 39 (1), 150-173. ISSN(print/online): 1086-7376, URL/DOI: http://dx.doi.org/10.1108/SEF-04-2021-0146
5)    Ramanathan, T.V., Pandhare, S.C. (2021). The Focused Information Criterion for Logistic Time Series Regression Models Under Locally Biased Estimating Functions. Journal of Statistical Theory and Practice, 15 (2), 31. ISSN(print/online): 1559-8608/1559-8616, URL/DOI: http://dx.doi.org/10.1007/s42519-021-00169-0
6)    Chipade, R.A., Ramanathan, T.V. (2021). Extended Kalman filter based statistical orbit determination for geostationary and geosynchronous satellite orbits in BeiDou constellation. Contributions to Geophysics and Geodesy, 51 (1), 25-46. ISSN(print/online): 1338-0540, URL/DOI: http://dx.doi.org/10.31577/congeo.2021.51.1.2
7)    Ramanathan, T.V., Rohan, N., Abraham, B. (2020). A stochastic frontier regression model with dynamic frontier. Communications in Statistics-Simulation and Computation, 49 (6), 1415-1428. ISSN(print/online): 0361-0918/1532-4141, URL/DOI: http://dx.doi.org/10.1080/03610918.2015.1011333
8)    Pandhare, S.C., Ramanathan, T.V. (2020). The robust focused information criterion for strong mixing stochastic processes with $$\mathscr {L}^{2} $$ L2-differentiable parametric densities. Statistical Inference for Stochastic Processes, 23 (3), 637-663. ISSN(print/online): 1387-0874/1572-9311, URL/DOI: http://dx.doi.org/10.1007/s11203-020-09208-2
9)    Awale, M., Kashikar, A.S., Ramanathan, T.V. (2020). Modeling seasonal epidemic data using integer autoregressive model based on binomial thinning. Model Assisted Statistics and Applications, 15 (1), 1-17. ISSN(print/online): 1574-1699/1875-9068, URL/DOI: http://dx.doi.org/10.3233/MAS-190475
10)    Badade, M., Ramanathan, T.V. (2020). Probabilistic frontier regression model for multinomial ordinal type output data. Journal of Productivity Analysis, 53 (3), 339-354. WoS Citations: 3, ISSN(print/online): 0895-562X/1573-0441, URL/DOI: http://dx.doi.org/10.1007/s11123-020-00581-x
11)    Ramanathan, T.V., Chipade, R.A. (2020). Statistical Orbit Determination Algorithm for Satellites in Indian Navigation Constellation (NavIC): Towards Extended Ephemeris Technology for NavIC Receiver. Artificial Satellites: Journal of Space Research Centre of Polish Academy of Sciences, 55 (2), 29-40. ISSN(print/online): 0208-841X/2083-6104, URL/DOI: http://dx.doi.org/10.2478/arsa-2020-0003
12)    Pandhare, S.C., Ramanathan, T.V. (2020). The focussed information criterion for generalised linear regression models for time series. Australian and New Zealand Journal of Statistics, 62 (4), 485-507. ISSN(print/online): 1369-1473/1467-842X, URL/DOI: http://dx.doi.org/10.1111/anzs.12310
13)    Awale, M., Balakrishna, N., Ramanathan, T.V. (2019). Testing the constancy of the thinning parameter in a random coefficient integer autoregressive model. Statistical Papers, 60 (5), 1515-1539. Google Scholar Citations: 1, WoS Citations: 7, ISSN(print/online): 0932-5026/1613-9798, URL/DOI: http://dx.doi.org/10.1007/s00362-017-0884-x
14)    Bhogal, S.K., Ramanathan, T.V. (2019). Conditional duration models for high‐frequency data: a review on recent developments. Journal of Economic Surveys, 33 (1), 1-22. WoS Citations: 12, ISSN(print/online): 0950-0804/1467-6419, URL/DOI: http://dx.doi.org/10.1111/joes.12261
15)    Badade, M., Ramanathan, T.V. (2019). Probabilistic frontier regression models for binary type output data. Journal of Applied Statistics, 46 (13), 2460-2480. WoS Citations: 2, ISSN(print/online): 0266-4763/1360-0532, URL/DOI: http://dx.doi.org/10.1080/02664763.2019.1597838
16)    Jadhav, D., Ramanathan (2019). Portfolio optimization based on modified expected shortfall. Studies in Economics and Finance, 36 (3), 440-463. ISSN(print/online): 1086-7376, URL/DOI: http://dx.doi.org/10.1108/SEF-05-2018-0160
17)    Ng Cheong Vee, D., Gonpot, P., Ramanathan, T.V. (2019). Quantification of operational risk: Statistical insights on coherent risk measures. Journal of Operational Risk, 14 (2), 39-59. ISSN(print/online): 1744-6740/1755-2710, URL/DOI: http://dx.doi.org/10.21314/JOP.2019.225
18)    Awale, M., Ramanathan, T.V., Kale, M. (2017). Coherent Forecasting In Integer-Valued Ar(1) Models With Geometric Marginals. Journal of Data Science, 15 (1), 95-114. Google Scholar Citations: 1, ISSN(print/online): 1680-743X/1683-8602, URL/DOI: http://www.jds-online.com/file_download/576/201701_6.pdf
19)    Mishra, A., Ramanathan, T.V. (2017). Nonstationary autoregressive conditional duration models. Studies in Nonlinear Dynamics and Econometrics, 21 (4), 57. Google Scholar Citations: 2, WoS Citations: 4, ISSN(print/online): 1558-3708/1081-1826, URL/DOI: http://dx.doi.org/10.1515/snde-2015-0057
20)    Ramanathan, V.T., Narayanan, P., Thomas, T., Ramanathan, T.V. (2017). An Adaptive Index Associated With Community Ownership and Preparedness for The HIV Prevention Program in India. Indian Journal of Public Health Research and Development, 8 (4), 985-992. ISSN(print/online): 0976-0245/0976-5506, URL/DOI: http://dx.doi.org/10.5958/0976-5506.2017.00459.4
21)    Thekke, R., Mishra, A., Abraham, B. (2016). Estimation, filtering and smoothing in the stochastic conditional duration model: an estimating function approach. Stat, 5 (1), 11-21. Google Scholar Citations: 5, WoS Citations: 3, ISSN(print/online): 2049-1573, URL/DOI: http://dx.doi.org/10.1002/sta4.101
22)    Jadhav, D., Ramanathan, T.V., Naik-Nimbalkar, U.V. (2013). Modified expected shortfall: a new robust coherent risk measure. Journal of Risk, 16 (1), 69-83. Google Scholar Citations: 3, WoS Citations: 10, ISSN(print/online): 1465-1211/1755-2842, URL/DOI: http://dx.doi.org/10.21314/JOR.2013.269
23)    Rohan, N., Ramanathan, T.V. (2013). Nonparametric estimation in time-varying GARCH models. Journal of Nonparametric Statistics, 25 (1), 33-52. Google Scholar Citations: 14, WoS Citations: 16, ISSN(print/online): 1048-5252/1029-0311, URL/DOI: http://dx.doi.org/10.1080/10485252.2012.728600
24)    Rohan, N., Ramanathan, T.V. (2013). Geometric ergodicity of asymmetric volatility models with stochastic parameters. Electronic Journal of Probability, 18 (90), 1-12. Google Scholar Citations: 1, ISSN(print/online): 1083-6489, URL/DOI: http://dx.doi.org/10.1214/EJP.v18-1871
25)    Kashikar, A.S., Rohan, N., Ramanathan, T.V. (2013). Integer Autoregressive Models with Structural Breaks. Journal of Applied Statistics, 40 (12), 2653-2669. Google Scholar Citations: 6, WoS Citations: 8, ISSN(print/online): 0266-4763/1360-0532, URL/DOI: http://dx.doi.org/10.1080/02664763.2013.823920
26)    Narayanan, P., Moulasha, K., Wheeler, T., Baer, J., Bharadwaj, S., Ramanathan, T.V., Thomas, T. (2012). Monitoring community mobilisation and organisational capacity among high-risk groups in a large-scale HIV prevention programme in India: selected findings using a Community Ownership and Preparedness Index. Journal of Epidemiology and Community Health, 66 (Suppl 2), ii34-ii41. Google Scholar Citations: 14, WoS Citations: 14, ISSN(print/online): 0143-005X/1470-2738, URL/DOI: http://dx.doi.org/10.1136/jech-2012-201065
27)    Thomas, T., Narayanan, P., Wheeler, T., Kiran, U., Joseph, M.J., Ramanathan, T.V. (2012). Design of a Community Ownership and Preparedness Index: using data to inform the capacity development of community-based groups. Journal of Epidemiology and Community Health, 66 (Suppl 2), ii26-ii34. Google Scholar Citations: 25, WoS Citations: 17, ISSN(print/online): 0143-005X/1470-2738, URL/DOI: http://dx.doi.org/10.1136/jech-2011-200590
28)    Tayefi, M., Ramanathan, T.V. (2012). An overview of FIGARCH and related time series models. Austrian Journal of Statistics, 41 (3), 175-196. Google Scholar Citations: 29, ISSN(print/online): 1026-597X, URL/DOI: http://dx.doi.org/10.17713/ajs.v41i3.172
29)    Rohan, N., Ramanathan, T.V. (2012). Asymmetric volatility models with structural breaks. Communications in Statistics-Simulation and Computation, 41 (9), 1519-1543. Google Scholar Citations: 9, WoS Citations: 3, ISSN(print/online): 0361-0918/1532-4141, URL/DOI: http://dx.doi.org/10.1080/03610918.2011.611403
30)    Kaur, I., Ramanathan, T.V., Naik-Nimbalkar, U.V. (2012). Parameter estimation of a process driven by fractional Brownian motion: An estimating function approach. InterStat, 1-24. Google Scholar Citations: 2, ISSN(print/online): 1941-689X, URL/DOI: http://interstat.statjournals.net/YEAR/2012/articles/1212001.pdf
31)    Rohan, N., Ramanathan, T.V. (2011). Order Selection in Arma Models Using The Focused Information Criterion. Australian and New Zealand Journal of Statistics, 53 (2), 217-231. Google Scholar Citations: 13, WoS Citations: 10, ISSN(print/online): 1369-1473/1467-842X, URL/DOI: http://dx.doi.org/10.1111/j.1467-842X.2011.00626.x
32)    Rajarshi, M.B., Ramanathan, T.V., Ghadge, C.A. (2011). Rank based tests for testing the constancy of the regression coefficients against random walk alternatives. Operations Research and Decisions, 21 (3-4), 35-55. Google Scholar Citations: 1, ISSN(print/online): 2081-8858/2391-6060, URL/DOI: http://dx.doi.org/10.5277/ord1203-0403
  

Publications Before 2011


33)    Ramanathan, T.V., Ghadge, C. (2010). Tests for randomness of the technology parameter in a stochastic frontier regression model. Statistical Methods and Applications, 19 (3), 319-331. Google Scholar Citations: 1, WoS Citations: 1, ISSN(print/online): 1618-2510/1613-981X, URL/DOI: http://dx.doi.org/10.1007/s10260-009-0129-9
34)    Ghadge, C., Ramanathan, T.V. (2010). Rank Test for Testing Randomness of the Technology Parameters in a Stochastic Frontier Regression Model. Communications in Statistics-Simulation and Computation, 40 (1), 99-112. ISSN(print/online): 0361-0918/1532-4141, URL/DOI: http://dx.doi.org/10.1080/03610918.2010.531364
35)    Jadhav, D., Ramanathan, T.V. (2009). Parametric and Nonparametric estimation of Value-at-Risk. Journal of Risk Model Validation, 3 (1), 51-71. Google Scholar Citations: 20, WoS Citations: 7, ISSN(print/online): 1753-9579/1753-9587.
36)    Jadhav, D., Ramanathan, T.V., Naik-Nimbalkar, U.V. (2009). Modified estimators of the Expected Shortfall. Journal of Emerging Market Finance, 8 (2), 87-107. Google Scholar Citations: 9, ISSN(print/online): 0972-6527/0973-0710, URL/DOI: http://dx.doi.org/10.1177/097265270900800201
37)    Alheety, M.I., Ramanathan, T.V. (2009). Confidence Interval for shrinkage parameters in ridge regression. Communications in Statistics-Theory and Methods, 38 (19), 3489-3497. Google Scholar Citations: 5, WoS Citations: 2, ISSN(print/online): 0361-0926/1532-415X, URL/DOI: http://dx.doi.org/10.1080/03610920802585856
38)    Alheety, M.I., Ramanathan, T.V., Gore, S.D. (2009). On the distribution of shrinkage parameters of Liu-Type Estimators. Brazilian Journal of Probability and Statistics, 23 (1), 57-67. Google Scholar Citations: 7, WoS Citations: 5, ISSN(print/online): 0103-0752, URL/DOI: http://dx.doi.org/10.1214/08-BJPS005
39)    Jadhav, D., Ramanathan, T.V., Naik-Nimbalkar, U.V. (2009). Modified estimators of the Expected Shortfall. Journal of Emerging Market Finance, 8 (2), 87-107. Google Scholar Citations: 7, ISSN(print/online): 0972-6527/0973-0710, URL/DOI: http://dx.doi.org/10.1177/097265270900800201
40)    Batah, F.S.M., Ramanathan, T.V., Gore, S.D. (2008). The efficiency of modified jackknife and ridge type regression estimators: a Comparison. Surveys in Mathematics and its Applications, 24 (2), 157-174. Google Scholar Citations: 31, ISSN(print/online): 1843-7265/1842-6298, URL/DOI: http://www.emis.ams.org/journals/SMA/v03/p06.pdf
41)    Chandra, K.S., Ramanathan, T.V. (2004). Modeling inefficiencies in a reliability system using stochastic frontier regression. IEEE Transactions on Reliability, 53 (2), 250-254. Google Scholar Citations: 1, ISSN(print/online): 0018-9529/1558-1721, URL/DOI: http://dx.doi.org/10.1109/TR.2004.829147
42)    Ramanathan, T.V., Thupeng, W.M., Molefe, W.B., Chandra, K.S. (2004). Recent trends in the technical efficiencies of health districts in Botswana in the treatment of HIV/AIDS related diseases. Botswana Journal of Economics, 1 (1), 66-81. ISSN(print/online): 1810-0163.
43)    Ramanathan, T.V., Dharmadhikari, A.D., Abraham, B. (2003). Nonparametric capability indices. Economic Quality Control, 18 (1), 31-41. Google Scholar Citations: 6, ISSN(print/online): 0940-5151/1869-6147, URL/DOI: http://dx.doi.org/10.1515/EQC.2003.31
44)    Ramanathan, T.V. (2003). Cointegration and Structural Break: An Empirical Investigation of Indian Economy. Empirical Economic Letters, 2 (2), 75-86. ISSN(print/online): 1681-8997.
45)    Ramanathan, T.V., Chandra, K.S., Thupeng, W.M. (2003). A comparison of the technical efficiencies of health districts and hospitals in Botswana. Development Southern Africa, 20 (2), 307-320. Google Scholar Citations: 21, ISSN(print/online): 0376-835X/1470-3637, URL/DOI: http://dx.doi.org/10.1080/03768350302955
46)    Das, A., Ramanathan, T.V. (2000). Bootstrap standard errors and confidence intervals for technical efficiency estimates of commercial banks in India. International Journal for Development Banking, 18 (2), 27-38. Google Scholar Citations: 2, ISSN(print/online): 0970-1044.
47)    Rajarshi, M.B., Ramanathan, T.V. (2000). Testing constancy of a parameter against random walk alternatives of a Markov sequence. Journal of the Indian Statistical Association, 38, 23-44. ISSN(print/online): 0537-2585.
48)    Ramanathan, T.V., Sarker, P.G. (1999). Identification of structural break in income, money and banking indicators and its application in money demand functions. Prajnan: Journal of Management and Social Science, 27 (5), 405-431. ISSN(print/online): 0970-8448.
49)    Hanagal, D.D., Ramanathan, T.V. (1998). Tests for bivariate exponentiality against BIFRA alternatives based on censored samples. Communications in Statistics-Theory and Methods, 27 (8), 1947-1960. Google Scholar Citations: 1, ISSN(print/online): 0361-0926/1532-415X, URL/DOI: http://dx.doi.org/10.1080/03610929808832202
50)    Suresh, R.P., Ramanathan, T.V. (1997). Acceptance sampling plans by variables for a class of symmetric distributions. Communications in Statistics-Simulation and Computation, 26 (4), 1379-1391. Google Scholar Citations: 30, WoS Citations: 17, ISSN(print/online): 0361-0918/1532-4141, URL/DOI: http://dx.doi.org/10.1080/03610919708813445
51)    Kale, M.M., Ramanathan, T.V. (1997). A test for randomness of the environments in a branching process. Statistical Papers, 38 (4), 409-421. WoS Citations: 1, ISSN(print/online): 0932-5026/1613-9798, URL/DOI: http://dx.doi.org/10.1007/BF02925997
52)    Adke, S.R., Ramanathan, T.V. (1997). On optimal prediction for stochastic processes. Journal of Statistical Planning and Inference, 63 (1), 1-7. Google Scholar Citations: 4, WoS Citations: 2, ISSN(print/online): 0378-3758/1873-1171, URL/DOI: http://dx.doi.org/10.1016/S0378-3758(96)00201-7
53)    Ramanathan, T.V., Rajarshi, M.B. (1997). Testing homogeneity over time of a parameter of a markov sequence. Communications in Statistics-Theory and Methods, 26 (2), 317-330. Google Scholar Citations: 3, WoS Citations: 3, ISSN(print/online): 0361-0926/1532-415X, URL/DOI: http://dx.doi.org/10.1080/03610929708831918
54)    Ramanathan, R.V., Rajarshi, M.B. (1994). Rank tests for testing the randomness of autoregressive coefficients. Statistics and Probability Letters, 21 (2), 115-120. Google Scholar Citations: 13, WoS Citations: 8, ISSN(print/online): 0167-7152/1879-7152, URL/DOI: http://dx.doi.org/10.1016/0167-7152(94)90218-6
55)    Ramanathan, T.V., Rajarshi, M.B. (1992). Optimal estimation in random coefficient regression models. Annals of the Institute of Statistical Mathematics, 44 (2), 213-227. Google Scholar Citations: 4, WoS Citations: 2, ISSN(print/online): 0020-3157/1572-9052 , URL/DOI: http://dx.doi.org/10.1007/BF00058637
56)    Ramanathan, T.V., Rajarshi, M.B. (1992). Rank tests for testing randomness of a regression coefficient in a linear regression model. Metrika, 39 (1), 113-124. Google Scholar Citations: 8, ISSN(print/online): 0026-1335/1435-926X, URL/DOI: http://dx.doi.org/10.1007/BF02613990