Publications/Articles/Cases:
Publications :
1. Laha, A. K., Dutta, S. and Roy, V. : A novel sandwich algorithm for empirical Bayes analysis of rank data (to appear in Statistics and its Interfaces)
2. Laha, A. K., Raja. P. and Ghosh, D. K. (2017): Distribution of Traffic Accident Times in India - Some Insights using Circular Data Analysis, International Journal of Business Analytics and Intelligence, 5, 1, 26-35.
3. Laha, A. K., Raja, P. and Mahesh, K. C. (2016) : SB-robust estimation of mean direction for some new circular distributions, Statistical Papers.
4. Laha, A. K. (2016) : Statistical Challenges with Big Data in Management Science in Big Data Analytics - Methods and Applications (Editors: S. Pyne, B.L.S. Prakasa Rao, S.B. Rao), pp. 41- 55 Springer.
5. Laha, A. K. and Raja, P. (2016) : SB-Robustness of Estimators in
Recent Advances in Robust Statistics: Theory and Applications,
(Editors: C. Agostinelli, A. Basu, P. Filzmoser, D. Mukherjee), pp.115-130, Springer.
6. Pal, D. and Laha, A. K. (2015) : Sectoral credit choice in rural India, Journal of Choice Modeling, 14, 1-16
7. Laha, A. K. and Mahesh, K. C. (2015): Robustness of Tests for directional mean, Statistics, 49, 3, 522-536
8. Biswas, A., Dutta, S., Laha, A. K., and Bakshi, P. K. (2015) : Response Adaptive Allocation for Circular Data, Journal of Biopharmaceutical Statistics, 25, 4, 830 – 842.
9. Pal, D. and Laha, A. K.(2014) : Credit off-take from formal financial institutions in rural India: quantile regression results, Agricultural and Food Economics, 2 : 9
10. Biswas, A., Dutta, S., Laha, A. K., and Bakshi, P. K. (2014) : Comparison of treatments in a cataract surgery with circular response, Statistical Methods in Biomedical Research (to appear) (DOI: 10.1177/0962280213519717)
11. Laha, A. K., Mahesh, K. C. and Ghosh, D. K. (2013): SB-robust estimators of the parameters of the Wrapped Normal Distribution, Communications in Statistics: Theory and Methods, vol. 42, no. 4, pp. 660-672.
12. Laha, A. K. and Mahesh, K. C. (2012): SB-robust estimator for the concentration parameter of the circular normal distribution, Statistical Papers, vol. 53, issue 2, pp. 457-467
13. Laha, A. K. and Mahesh, K. C. (2011): SB-robustness of directional mean for circular distributions, Journal of Statistical Planning and Inference, vol. 141, no. 3, pp.1269-1276
14. Laha, A. K. and Dongaonkar, S. (2009): Bayesian Analysis of Rank Data using SIR. In Advances in Multivariate Statistical Methods. Sengupta, A. (Ed.). World Scientific Publishers
15. Laha, A. K. and Kohli, S. (2009): Valuation of Apparent Temperature Based Weather Derivatives. In Forecasting Financial Markets in India. Pradhan, R. P. (Ed.), Allied Publishers, pp. 195-201.
16. Sengupta, A. and Laha, A. K. (2008): A Bayesian analysis of the change-point problem for directional data, Journal of Applied Statistics, vol. 35, issue 6, pp. 693-700
17. Sengupta, A. and Laha, A. K. (2008): A Likelihood Integrated Method for Exploratory Graphical Analysis of Change Point Problem with Directional Data, Communications in statistics. Theory and methods, vol. 37, No.11-12, pp. 1783-1791
18. "Portfolio Allocation with Heavy Tailed Returns" (with Divyajyoti Bhoumick and Bharathy Subramaniam) (2007) appeared in the journal Applied Financial Economics Letters, vol 4, issue 3, 237-242.
19. "Artificial Neural Network Models for Forecasting Stock Price Index in Bombay Stock Exchange" (with Neeraj Mohan, Pankaj Jha and Goutam Dutta)(2006) appeared in Journal of Emerging Market Finance, vol5, no. 3, 283-295.
20. "A proof of the Divergence of the Harmonic Series using Probability Theory" (2006) appeared in the International Journal of Mathematical Education in Science and Technology, vol 37, no.4, 502-03, Taylor & Francis, London.
21. "Process Capability Indices for Angular Data" (2003) appeared in the journal Statistical Methods, 5(2), 31-40.
22. "Slippage problem for the mean direction of the circular normal distribution" (with A. SenGupta) (2001) appeared in the journal Australian & New Zealand Journal of Statistics, 43(4), 461-471.
23. "Control charts for angular observations" (2002) appeared in the book Statistical Methods for Quality Improvement edited by A.B. Aich, A. Chatterjee and A. K. Chattopadhyay.
24. "Quality in Engineering and Management Libraries - A comparative study" (2002) (with N. Ghosh, C. Pal and D. Banerjee) - appeared in the book Business Librarianship and Information Services edited by R. L. Roshan and I.V. Malhan.
25. "Change point problems with angular data" (1997)- published in the proceedings of the 3rd Winter School on Directional Data (edited by A. SenGupta) organised jointly by Indian Statistical Institute and Osmania University
Best paper awards in Conferences:
- The paper "Change Point Problems for the Mean Direction of the Circular Normal Distribution" was selected for the Best Paper award in the Young Researcher's Competition held as part of the International Conference on Future of Statistical Theory, Practice and Education (sponsored by ASA, IMS and IISA), Hyderabad (2004).
- The paper "Valuation of Apparent Temperature based Weather Derivatives" (co-author Mr. S. Kohli) was awarded the First Prize in the Faculty category in the National Conference on Forecasting Financial Markets in India 2008 held at IIT, Kharagpur (2008).
Conference Papers:
1. "SB-Robust estimation of mean direction for Kato-Jones distribution", invited paper presented in Platinum Jubillee International conference on Applications of Statistics, University of Calcutta, December 2016
2. "Interdisciplinary Statistics in Action: Two Applications in Management and Public Policy", Symposium on Interdisciplinary Statistical Research, Kolkata, June 2016
3. "Distribution of Traffic Accident Times in India - Some Insights using Circular Data Analysis", invited paper presented in the conference Celebrating Statistical Innovation and Impact in a World of Big & Small Data (organized by IISA), Pune, December 2015
4. "Understanding the Behaviour of Indian Stock Markets - Some Quantitative Explorations", invited paper presented in the National Workshop on Big Data Analytics for Banking, Insurance and Financial Sectors, Hyderabad, November, 2015
5. "Big Data Analytics in Management : Some Statistical Challenges and Opportunities", invited paper presented in Leeds Annual Statistical Research Conference, June 2015.
6. "Modeling Commodity Market Returns: The Challenge of Leptokurtic Distributions", invited research seminar in Department of Accounting and Finance, Strathclyde Business School, University of Strathclyde, May 2015
7. "Statistical Challenges with big data in Management Science", invited paper presented in EPSRC-DST workshop on Solving Big Bata Challenges from Modern Science through Statistical Modeling, Edinburgh, May 2015.
8. "Change Point Problems with Environmental Data", invited presentation in Indo-US Workshop on Environmental Statistics, ISI Kolkata, March 2015.
9. "Doing Analytics with Big Data: Some Statistical Challenges", invited presentation in 1st Conference on Business Analytics, ISI Chennai, February 2015
10. "SB-Robustness of Estimators", paper presented in the International Conference on Robust Statistics, Kolkata, January 2015.
11. "Statistical Challenges with Big Data", invited presentation in Symposium on Big Data, ISI Kolkata, December 2014.
12. "Applications of Stochastic Modelling in Finance", invited presentation in UGC-sponsored national seminar on "Research in Statistical Science: Past, Present and Future", S. P. University, Vallabh Vidyanagar, February, 2014.
13. "Analytics for Marketing in the 21st Century", Key-note speech in the FIIB Marketing Analytics Conference, October 2013
14. "Data Analytics in Healthcare- An Introduction" , invited presentation in Transforming Healthcare with IT conference, September, 2013
15. "Bayesian Analysis of Rank Data with Covariates", invited paper presented in ISBA, Varanasi, Jan 2013
16. "A New Computationally Intensive Method for Change Point Estimation in Presence of Outliers", invited paper presented in IISA, Chennai, Jan 2013
17. "Quantitative Explorations in Indian Stock Markets" key-note speech in CFE, Indian Institute of Technology Kharagpur, Dec 2012
18. "Modeling Commodity Markets: The Challenge of Leptokurtic Distributions" paper presented in the CFE-ERCIM, Oviedo, Spain, Dec 2012
19. "Quantitative Explorations of Indian Stock Market" invited paper
presented in the 99th Indian Science Congress Association, Bhubaneswar, India, Jan 2012.
20. "Quantitative Explorations in Indian Stock Markets" address as Chief Speaker in the national conference on "Convergence of Management Practices" held in National Institute of Technology, Warangal in December, 2010.
21. "SB-Robust Estimation of Parameters of von-Mises Distribution on the Circle" invited paper presented in the 1st Conference on Applied Probability and Statistical Methods and 7th Conference on Multivariate Distributions with Applications held at Maresias, Brazil in August 2010.
22. "SB-Robust Estimation of Parameters of Circular Normal Distribution" invited paper presented in Advances in Statistical Science: International Conference in Celebration of 90th Birth Anniversary of Professor C. R. Rao held at Indian Statistical Institute, Kolkata on January, 2010
23. "On Estimation of Current Mean and Change Magnitude" invited paper presented in the 7th Triennial International Calcutta Symposium on Probability and Statistics held at Kolkata, December 2009.
24. "Portfolio Allocation when some stock returns have heavy tails" paper presented in the Quantitative Methods in Finance 2009 conference held in Sydney, Australia, December 2009.
25. "Portfolio Allocation when some stock returns are heavy tailed" paper presented in the CARISMA – IIM Calcutta workshop on Optimization Methods and Financial Applications, March 2009, IIM-Calcutta, India.
26. "Valuation of Apparent Temperature based Weather Derivatives" invited paper presented in the National Conference on Forecasting Financial Markets in India, December 2008, IIT-Kharagpur, India
27. "Bayesian Analysis of Rank Data with Covariates" invited paper presented in the 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics and Data Analysis (IASC 2008), November 2008, Yokohama, Japan.
28. "Model Based Clustering with Circular Data" invited paper presented in the International Conference on Statistical Paradigms: Recent Advances and Reconciliations in January, 2008, ISI, Kolkata.
29. "Bayesian Analysis of Rank Data" invited paper presented in the International Conference on Multivariate Statistical Methods in the 21st century: The Legacy of S. N. Roy, in December 2006, Kolkata, India.
30. "Analysis of Regime Switching Behaviour of Indian Stock Markets" presented in the 12th International Conference on Computing in Economics and Finance in June, 2006 at Limassol, Cyprus.
31. "Statistics in Finance", Key note speech in the national conference on "Contemporary Issues in Finance", Saurashtra University, Rajkot (2006).
32. "A new likelihood integrated method for change-point problems with skewed circular distributions" invited paper presented in the international conference on "Statistics in the Technological Age" organized by University of Malaya held at Kuala Lumpur, Malaysia (2005)
33. "Artificial Neural Network Models for Forecasting Stock Price Index in Bombay Stock Exchange" paper presented in the 2nd Conference of the Asia Pacific Association of Derivatives, Bangalore (2005)
34. "Detection of Multiple Change Points - An application to detection of volatility changes in the Indian stock market" paper presented at the national conference of Operational Research Society of India, Ahmedabad (2005)
35. "A Bayesian Analysis of the Change Point Problem for Directional Data" paper presented at the International Workshop/Conference on Bayesian Statistical Analysis, Varanasi (2005)
36. "Robustness of tests for Change Point with Directional Data" invited paper presented in the International Conference on Future of Statistical Theory, Practice and Education, Hyderabad. (2004)
37. "Process Capability Indices for Angular Data" paper presented in the International conference on Statistics in Industry and Business, Cochin, 2003.
38. "Social Mobility in India and Future Indian Societies" invited paper presented in the National Conference on Statistical Computing, Bhagalpur, 2002
39. "Quality in Management Education - A meta-analysis of recent B-School surveys" paper presented at the National conference on Quality of Life, Santiniketan, 2002.
40. "Inference on the true rank under transposition errors with applications to Market Research" paper presented in the International Conference on Ranking and Selection, Multiple Comparisons and Reliability , Chennai, 2002.
41. "Genetic Algorithms for Maximizing Likelihoods" paper presented at the International Conference in Operations Research, Kolkata, 2001.
42. "Control Charts for Angular Observations" paper presented at the International Conference on Statistics, Combinatorics and related areas, Mumbai, 2000
43. "On Slippage and Change point problems for the Circular Normal Distribution" paper presented at the International Conference on Recent Advances in Statistics and Probability, Kolkata, 1997.
44. "Change Point Problem for the Mean Direction of the Circular Normal Distribution" paper presented in the 2nd International Triennial Calcutta Symposium on Probability and Statistics, Kolkata, 1995.
45. "Change Point Problem for the Mean Direction of the Circular Normal Distribution" paper presented at the 82nd session of the Indian Science Congress Association, Jaipur, 1995.
Working Papers:
1. "Travel Time Prediction for GPS Taxi Data Streams", Working Paper No. 2017-03-03, IIM Ahmedabad (with Sayan Putatunda)
2. "Real Time Location Prediction with Taxi-GPS Data Streams", Working Paper No. 2017-03-02, IIM Ahmedabad (with Sayan Putatunda)
3. "SB-robustness of performance measures of control chart", Working Paper No. 2013-04-10, IIM Ahmedabad (with Pravida Raja)
4. "Sectoral choice of credit in rural India", IIM-A Working Paper No. 2013-03-01 (with Debdatta Pal)
5. "Modeling Commodity Markets: The Challenge of Leptokurtic Returns Distributions", IIM-A Working Paper No. 2012-07-03 (with Pravida Raja)
6. "A Likelihood Integrated Method for Exploratory Graphical Analysis of Change Point Problem with Directional Data", IIM-A Working Paper No. 2006-05-04 (with Ashis Sengupta)
7. A Bayesian Analysis of the Change Point Problem for Directional Data using SIR, IIM-A Working Paper No. 2005-09-05 (with Ashis SenGupta)
8. Bayesian Analysis of Rank Data using SIR, IIM-A Working Paper No. 2005-09-06 (with Sourabh Dongaonkar)
9. Artificial Neural Network Models for Forecasting Stock Price Index in Bombay Stock Exchange,IIM-A Working Paper No. 2005-10-01 (with Neeraj Mohan, Pankaj Jha and Goutam Dutta)
10. Performance of Nonparametric Control Charts, IIM-A Working Paper No. 2005-10-04, (with Divesh Gupta and Anant Choubey)
11. Portfolio Allocation with Heavy-tailed Returns, IIM-A Working Paper No. 2005-11-02 (with Divyajyoti Bhoumick and Bharathy Subramaniam)
12. A Likelihood Integrated Method for Exploratory Graphical Analysis of Change Point Problem with Direction Data, IIM-A Working Paper No. 2006-05-04 (with Ashis SenGupta)
13. Pseudo-Scientific Jargons and Advertising Persuasiveness,(August 2005), Social Science Research Network, http://ssrn.com/abstract=784904 (with Himadri Roy Choudhuri)
Technical Notes:
- "A Note on Randomized Response Surveys", QM-248, IIM, Ahmedabad, 2005.
- "A Note on Tests of Normality", QM-249, IIM, Ahmedabad, 2005.
- "Probability Models for Non-Life Insurance Applications", QM-252, IIM, Ahmedabad-2006
Case:
- "Statistical Process Control at Landis+Gyr Limited: Implementation of Control Charts", QM-250, IIM, Ahmedabad, 2006.
- "Disha - Career @ Analytics", P&IR0203, IIM, Ahmedabad, 2008 (coauthor: M Sumitra Das)
- "Towards the Deming Prize – The Case of Tata Steel (A)", IIM Ahmedabad, 2014 (coauthor: Goutam Dutta)
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"Muljibhai Patel Urological Hospital-Delivering Excellence in
Healthcare", IIM Ahmedabad, 2016 (Coauthor : Priyanka Roy)
