Research Talks

Conference Papers and Other Presentations

1. Parameter Estimation in Fractionally Differences ARIMA Models -- at the First New England Statistics Symposium held at the University of Connecticut in April 1987.

2. Time Domain Estimation in Fractionally Differenced Noise Processes -- at the second New England Statistical Symposium held at the University of Massachusetts at Amherst in April 1988.

3. Parameter Estimation in Low Order Fractionally Differenced ARMA Processes -- at the American Statistical Association meeting held at New Orleans in August 1988.

4. Maximum Likelihood Estimation in Long Memory Time Series Models -- at the Annual Conference of the American Mathematical Society held at Louisville, KY in January 1990.

5. Problem of Model Misspecification in Maximum Likelihood Estimation of Long Memory Time Series Models - at The International Conference on Probability and Statistics, held at Delhi University in December 1990.

6. Modeling Persistence in Time Series Data -- at the International Conference on  Applications of Statistics in Business and Actuarial Sciences, held at I.T.A.M, Mexico City, Mexico in September 1991.

7. Modeling Long Memory Time Series Data - at the Department of Statistics, Hong Kong University, February 1993. 

8. Long Range Dependence in Time Series Data - at the Mathematics and Statistics Department, Thammasat University, Bangkok, March 1993.

9. Estimating Long Memory Time Series Models in the Time Domain -- at the Annual Meeting of the Canadian Statistical Society held at Wolfville, Nova Scotia in June 1993.

10. Fitting a Fractional ARIMA Model to Time Series Data - at the International Conference on Stochastic Modeling held at Delhi in January 1994.

11. A Time Domain Approach to Estimating Fractionally Integrated ARIMA Models -- at the Environmetrics Conference held at Burlington Ontario in August 1994.

12. PVA's Electronic Video Poker -- A Game of Chance or a Game of Skill -- at the Mathematics Colloquium, USM, May 1996.

13. Estimation of Dose Response Curves -- at the December 1996 quality control conference of the International Statistical Institute and the Center for Improvement in Quality and Productivity (Waterloo), Cochin, India.

14. Recent Advances in Time Series Modeling - at the International Conference on Statistical  Inference, Combinatorics and Related Areas, held at Banaras, India, Dec. 18-21, 1997.

15. Statistical Consulting and its Role in Undergraduate Education - at the international conference on Statistics, Combinatorics and Related Areas held at Mobile, Alabama, December 1999.

16. Quantifying the Sensitivity Level of Personal Interview Survey Questions using RRT Technique - at the international conference on Statistics, Combinatorics and Related Areas held at Mobile, Alabama, December 1999.

17. Estimation of Fractionally Differenced ARIMA Models - at the Indian Science Congress held at New Delhi, Jan 2001.

18. Collecting Data on Sensitive Variables - at Jamia Millia University, Delhi, March 2001. 

19. Role of Consulting in Statistics Education and Research - at the Indian Agricultural Statistics Research Institute, New Delhi, March 2001.

20. Validation of Partial Randomized Response Technique to Circumvent Social Desirability Response Bias in Personal Interview Survey Questions - at the International Conference on Statistics, Combinatorics and Related Areas held at University of Wollongong, Australia from Dec 19-21, 2001.

21. Circumventing Social Desirability Response Bias Using Randomized Response Techniques - at the International Conference on Statistics, Combinatorics and Related Areas held at University of Allahabad, India, December 21-23, 2002.

22. On the Use of Transformed Auxiliary Variables in Estimating Population Mean by Using Two Auxiliary Variables - at SCRA 2003 held at University of Southern Maine, October 3-6, 2003.

23. On Modified Warner’s Randomized Response Model - at the International Conference on Statistics, Combinatorics and Related Areas held at Lucknow, India during December 27-29, 2004.

24. Statistics in Legal cases: A Case Study - at the International Conference on Statistics, Combinatorics and Related Areas held at Lucknow, India during December 27-29, 2004.

25. Improved Estimation of Finite Population Mean under Different Sampling Designs - at New University of Lisbon, December 2004.

26. Use of Randomized Response Techniques in Circumventing Social Desriability Response Bias in Personal interview Surveys - at Tomar Polytechnical Institute, Portugal, December 2004.

27. Parameter Estimation in Long Memory Time Series Models - at Lisbon Institute of  Agricultural Technology, December 2004.

28. Statistical Consulting and its Impact: Some Case Studies - at Lisbon Institute of Agricultural Technology, December 2004.

29. Use of Randomized Response Techniques in Dealing with Social Desirability Response Bias - at the annual meeting of the Statistical Society of Canada held at Montreal during May 30 – June 2, 2004.

30. Statistics in Legal Cases: A Case Study - at Clark Atlanta University, February 11, 2005.

31. Predictors of Student Success in Entry-Level Undergraduate Mathematics Courses - at the Lilly South Conference held in Greensboro, February 18-20, 2005

32. Use of Randomized Response Techniques in Circumventing Social Desirability Response Bias in Survey Questions - for the Fast Forward Program for High School Teachers held at UNCG, June 21-22, 2005.

33. A Comparison of Mean Estimators Based on Transformed Auxiliary Variables, UNCG colloquium, October 27, 2005.

34. Estimation of Population Mean using Transformed Auxiliary Variables - at Indian Agricultural Statistics Research Institute, New Delhi, December 13, 2005.

35. Statistical Consulting and its Impact on the Teaching of Statistics- Some Case Studies - Quad-I-Azam University, Islamabad, Pakistan, December 17, 2005.

36. Circumventing Social Desirability Response Bias using RRT Models – Keynote talk at the 8th Islamic Countries Conference on Statistical Sciences held at Lahore, Pakistan, December 19, 2005.

37. Mean Estimation using Transformed Auxiliary Variables - at the International Statistics Conference on Statistics in the Technological Age, Kuala Lumpur, Malaysia, December 27-31, 2005. 

38. Sensitivity Estimation in a Two-Stage Optional Randomized Response Model - International Conference on Statistics and Informatics in Agriculural Research, IASRI, New Delhi, December 27-30, 2006

39. A Two-Stage Optional Randomized Response Model – at the International Conference on Interdisciplinary Mathematical and Statistical techniques, Institute of Science and Technology, Shanghai, China, May 20-23, 2007

40. Estimation of the Mean and Variance of a Population under Simple Random Sampling – invited talk at University of Maine, Orono, September 2007

41. Randomized Response Models: Methodology and Some Recent Results – invited talk at East Carolina University, November 2007

42. Randomized Response Models: Methodology and Some Recent Results – invited talk at the 2008 Indian Science Congress, Vizag, India, January 2008

43. Two-Stage Optional RRT Models – invited talk at The Bowling Green State University, October 17, 2008

44. Statistical Consulting Techniques: Collaboration between Academia and Industry invited talk at the Pre-ICM International Convention on mathematical Sciences, held at University of Delhi, India, December 18-22, 2008

45. Sensitivity Estimation in Two-Stage Optional RRT Models – Invited talk at the International Statistics Symposium, Aligarh Muslim University, India, December 29-31, 2008

46. Mean and Sensitivity Estimation in Optional Randomized Response Models – The annual ASA meeting held at Washington, D. C. in August 2009

47. Additive vs. Multiplicative Scrambling in Two-step Optional RRT Models – Invited talk at the University of Texas at San Antonio, January 15, 2010

48. Two-Step Optional Randomized Response Models – Invited talk at Lamar University, January 19, 2010

49. Usefulness of Two-Stage Optional Randomized Response Models – Invited talk at IASRI, New Delhi, India, January 29, 2010

50. Optimization in Statistical Estimation Theory with a Focus on Sampling Methods – Invited talk at Delhi University, Delhi, India, February 13, 2010

51. Some Optimization Issues with Two-Step Optional Randomized Response Models – Invited talk at Banaras Hindu University, Banaras, India, February 17, 2010

52. Did Weather Play a Role in the Space Shuttle Challenger Disaster? Invited talk at Allahabad University, Allahabad, India, February 20, 2010 

53. Usefulness of Two-Stage Optional Randomized Response Models – Invited talk at Guru Nanak Dev University, Amritsar, India, February 26, 2010

54. Selecting the Most Appropriate Data Analysis Tool and Making Legitimate Inference – Invited talk at M. D. University, Rohtak, India, March 29, 2010

55. Estimation in Randomized Response Models – Invited talk at the LinStat 2010 conference held at Tomar, Portugal, July 27-31, 2010

56. The Effects of Nurse Presenteeism on Quality of Care and Patient Safety – Talk at the annual INQRI research conference of the Robert Wood Johnson Foundation, Princeton, New Jersey, September 14-16, 2010

57. Estimating the Mean of a Sensitive Variable in the Presence of Auxiliary Information – Invited talk at International Conference on Development and Applications of Statistics in Emerging Areas of Science and Technology, Jammu University, India, December 8, 2010

58. Statistical Consulting: Some Real Case Studies – Invited talk at University of Delhi, India, December 13, 2010

59. Estimation in Two-Stage Randomized Response Models – Invited talk at the International Conference on mathematical and Statistical Techniques held at Patna University, India, December 19, 2010

60. Optimal Two-Stage Optional Randomized Response – Invited talk at the University of New Orleans, May 2, 2011

61. Parameter Estimation in Two-Stage Optional Randomized Response Models – Invited talk at University of South Alabama, Mobile, AL, May 9, 2011

62. Optimality Issues in Two-Stage Optional RRT Models – Colloquium talk at UNCG, September 14, 2011

63. Optimality Issues in Two-Stage Optional RRT Models – Invited talk at University of Memphis, October 27, 2011

64. Optional RRT Models – Invited talk at University of Houston – Clear Lake, October 31, 2011

65. Additive, Multiplicative and Generalized Scrambling in Two-Stage Optional RRT Models - Invited talk at Lehigh University, November 18, 2011

66. Data Analysis and Inferential Limitations- Invited talk at the Indian Agriculture Research Institute, Junagarh, India, December 15, 2011

67. Optimality Issues in Two-Stage Optional RRT Models – Invited talk at the International Conference on Applied Mathematics & Statistics, Gujarat University, India, December 16-18, 2011

68. Optimality Issues in Two-Stage Optional RRT Models – Invited talk at University of Delhi, December 22, 2011

69. Randomized Response Models – Math Club Talk at UNCG, February 15, 2012

70. Two-Stage Optional RRT Models – Invited talk at the UAE University, Al Ain, March 11, 2012

71. Multi-Stage RRT Models - Invited talk at Appalachian State University on March 30, 2012

72. Analysis of the Space Shuttle Challenger Disaster Data – Invited talk at the University of New England, Maine, April 23, 2012

73. Recent Developments in RRT Models – Invited talk at the LSU Health Sciences Center, New Orleans, May 14, 2012

74. New Advances in Randomized Response Models – Invited talk at the International Conference on Mathematics and Statistics, University of Memphis, May 15-17, 2012

75. Randomized Response Models and Some Optimality Issues – Invited talk at James Madison University, October 22, 2012

76. Data Analysis – Selecting the Right Statistical Tool and Making the Right Inference – Invited talk at University of Houston- Clear Lake, November 13, 2012

77. On Multi-Stage Optional Randomized Response Models – Invited talk at Cochin University of Science and Technology, Cochin, India, December 10, 2012

78. Randomized Response Models and Some Optimality Issues – Invited talk at the Statistics for the 21st Century – 2012 conference held at Kerala University, December 10, 2012

79. Data Analysis and Interpretation– Some Case Studies – Invited talk at the Agricultural College & Research Institute, Madurai, India, December 12, 2012

80. Optimal Two-Stage Randomized Response Models – Distinguished Lecture at the International Conference on Statistics and Informatics in Agricultural Research, New Delhi, India, December 18, 2012

81. Optimal Two-Stage Randomized Response Models – Invited talk at Banasthali University, Jaipur, India, December 22, 2012

82. Some New Results in Optional Randomized Response Models – Invited talk at the Statistics Department, University of Delhi, January 4, 2013

83. Some New Results in Optional Randomized Response Models – Invited talk at the Statistics Department, Mimar Sinan University, Istanbul, March 12, 2013

84. Randomized Response Models: Efficiency vs. Privacy Protection – Invited talk at Statistics Department, Hacettepe University in Ankara, March 14, 2013

85. Optional Randomized Response Models: Efficiency vs. Privacy Protection – Invited talk at UNC- Chapel Hill, March 25, 2013

86. Optional RRT Models: Efficiency vs. Privacy Protection” Invited talk at New University of Lisbon on November 22, 2013

87. Field Work Validation of Optional Unrelated Question RRT Models – Predictors of  STD, Invited talk at University of Delhi, India, December 12, 2013

88. Newer Trends in Statistical Research in the 21st Century. Keynote address at the International Conference on Recent Developments in Statistical Theory and Practice, Pondicherry University, India, December 14, 2013

89. Optional RRT Models: Do they really lead to loss of Privacy? Invited talk at the International Conference on Recent Developments in Statistical Theory and Practice, Pondicherry University, India, December 14, 2013

90. Data Analysis – Choosing the Correct Analysis Tools, Invited talk at the University of Madras, India, December 16, 2013 

91. Optional RRT Models: Applications, Efficiency, and Privacy Protection, Invited talk at the Conference is on Statistics and Informatics in Agricultural Research, Varanasi, India, December 18, 2013

92. Newer Trends in Statistical Research, Invited talk at University of Delhi, December 23, 2013

93. New Binary RRT Models and their Validation, invited talk at University of Delhi, December 23, 2013

94. New Paradigms in RRT Models, invited talk at the University of Louisiana, Lafayette, February 11, 2014

95. Some Interesting Issues Associated with Newer Families of Randomized Response Models, Seminar, Math/Stats Department, UNC Greensboro, April 8, 2014

96. Statistics – Valid Science or a Clever Tool to Prove Your Point, Seminar talk for Math/Bio REU Students at UNCG, June 4, 2014

97. Ratio and Regression Estimation of Finite Population Mean Using Optional Randomized Response Models - Invited talk at the LinStat International Conference held at Linkoping University, Sweden, August 25-28, 2014

98. Estimating Finite Population Mean for Sensitive Variables Using Auxiliary Information, invited talk at LSU – HSC, New Orleans, September 12, 2014

99. Estimating Finite Population Mean , Invited talk at the National Meet of Research Scholars in Mathematical Sciences held at Jammu University, India, December 8-12, 2014

100. Role of Quantitative Methods in Academic and Non-Academic Setting, Invited talk at Rajmata Vijayaraje Scindia Krishi Vishwavidyalaya Gwalior, India, December 15, 2014 

101. A Two-Step Approach to Ratio Estimation of Finite Population Mean Using Optional Randomized Response Models, Invited talk at the 8th International Conference of the Institute for Mathematics, Bioinformatics, Information Technology and Computer Science, held at Kolkata, December 21-23, 2014

102. Estimating Finite Population Mean for Sensitive Variables, Invited talk at the International Workshop on “Statistical and Numerical Trends in Sciences & Engineering” at, Jaypee Institute of Information Technology, Noida, UP, India, January 1, 2015

103. Lies, Damn Lies, and Statistics – A Myth or Reality? Invited talk at P GDAV College, University of Delhi, India, January 6, 2015

104. Role of Quantitative Methods in Academic and Non-Academic Settings, Invited talk at NC A&T State University, Greensboro, March 26, 2015

105. Stochastic Scrambling and Descrambling of Sensitive Data, Invited talk for REU students, UNCG, June 23, 2015

106. Improved Ratio and Regression Estimation of Finite Population Mean Using Optional Randomized Response Models, Invited talk at the University of Southern Maine, September 18, 2015

107. Ratio and Regression Estimators of Finite Population Mean using Optional RRT Models, Invited talk at Brock University, St. Catharines, Ontario, Canada, October 2, 2015

108. Efficiency of Two Stage Optional RRT Models, Invited talk at the University of Central Florida, October 15, 2015

109. Ratio and Regression Estimation of Mean of Sensitive Variables, Invited talk at University of Texas at Dallas, November 13, 2015

110. Applied Side of Statistics, Invited talk at Winston Salem State University, Biomedical Research Infrastructure Center, November 17, 2015

111. Ratio and Regression estimation of the Mean of Sensitive Variables – Invited talk at IIT Mumbai, India, December 10, 2015

112. Applied Side of Statistics, Some Real Case Studies – Invited talk at the Tata Institute of Fundamental Research, Mumbai, India, December 11, 2015

113. Data Confidentiality and Respondent Privacy – Presidential Address at the 69th Annual Conference of the Indian Society of Agricultural Statistics to be held at University of Kota, Rajasthan, India, December 14-16, 2015.

114. Improved Estimators of Mean of a Sensitive Variable using Optional RRT Models – Invited talk at University of South Florida, March 9, 2016

115. Applied Statistics – Some Interesting Applications – Invited talk at Elon University, April 5, 2016

116. Respondent Privacy through Randomized Response Models – Invited talk at University of Maryland, April 28, 2016

117. Some Interesting Applications of Statistics & Undergraduate Level Research Projects – Invited talk at Lamar University, June 24, 2016

118. Testing for Statistical Significance - Invited talk for Math/Bio REU Group at UNCG, July 7, 2016

119. Data Confidentiality and Respondent Privacy Protection - Invited talk at the IISA 2016 conference at Oregon State University, August 21, 2016

120. Statistical Consultant – Representing the Client in Front of Third Parties – Invited talk at the AISC 2016 conference, UNC Greensboro, October 2, 2016

121. Challenges for a Statistical Consultant when Representing a Client – Invited talk at LSU Health Sciences Center, New Orleans, November 11, 2016

122. Data Security in the Digital Age – Invited talk at the international conference on reenvisioning economies, sustainability and inclusive growth held at St Xavier’s College, Jaipur, December 20-22, 2016

123. Recent Advances in Randomized response Models – Invited talk at the international conference on Interdisciplinary Mathematics, Statistics and Computational Techniques held at Manipal University, Jaipur, India, December 22-24, 2016

124. Some Variations of the Greenberg Unrelated Question Binary RRT Model – Invited talk at PGDAV College, University of Delhi, January 4, 2017

125. Variations of the Greenberg Unrelated Question Binary RRT Model – Invited talk at the Annual Conference of the Society of Statistics Computer and Applications, Jammu (India), March 6 – 8, 2017

126. Statistical Consultant – Invited talk for the Summer 2017 Math/Bio REU students at University of North Carolina- Greensboro, June 28, 2017

127. Assessing the Quality of Quantitative Randomized Response Models – Invited talk at the Symposium on Professional Development of New Generation of Research Scholars, COMSATS, Lahore, Pakistan, December 14, 2017

128.  Publishing Journal Articles –An Editor’s Perspective - Invited talk at the Symposium on Professional Development of New Generation of Research Scholars, COMSATS, Lahore, Pakistan, December 14, 2017

129. Practicing Statistics – Invited talk at GC University Lahore, December 15, 2017

130. Assessing the Quality of Quantitative Randomized Response Models – Invited talk at the Quaid-I-Azam University, Islamabad, Pakistan, December 18, 2017

131. Respondent Privacy and Data Security through Randomized Response Models – Invited talk at the IASSL Conference in Colombo, Sri Lanka, December 28, 2017

132. Various Shades of Statistical Consulting – Invited talk at the University of Peradeniya, Sri Lanka, December 29, 2017

133. Statistical Consulting – Invited talk at S V College, University of Delhi, January 12, 2018 

134. Publishing Journal Articles –An Editor’s Perspective – Professional Development talk for Graduate Students, Department of mathematics and Statistics, UNC Greensboro, February 23, 2018

135. Practicing Statistics – Math Club Talk, UNC Greensboro, March 1, 2018

136. Variations of the Greenberg Unrelated Question Binary Model – Invited talk for the Math/Bio REU Group at UNCG, May 30, 2018

 137. Variations of the Greenberg Unrelated Question Binary Model – Invited talk for the Math/Stats REU Group at Lamar University, June 22, 2018

138. Evaluating Performance of Mean Estimators of Sensitive Variables under Measurement Errors with Respect to Efficiency and Respondent Privacy – Invited talk at MNIT Jaipur, November 26, 2018

 139. Evaluating Performance of Mean Estimators of Sensitive Variables under Measurement Errors with Respect to Efficiency and Respondent Privacy – Invited talk at IIT Bombay, November 27, 2018

140.   Respondent Privacy, Data Security, and Estimation Quality in Sample Surveys, Invited talk at VNRVJIET,Hyderabad, November 29, 2018

141. Various Shades of Statistical Consulting – Invited talk at IIM Indore, December 10, 2018

142. Evaluating Performance of Mean Estimators of Sensitive Variables under Measurement Errors with Respect to Efficiency and Respondent Privacy – Keynote address at the International Conference on Emerging Innovations in Statistics and Operations Research, MDU Rohtak, December 27, 2018

143. Statistics Spans all Directions – Keynote Address, Seminar on Emerging Challenges and Statistics, Lucknow University, January 15, 2019

 144. A Unified Measure of Model Efficiency and Respondent Privacy in Quantitative Randomized Response Models, Invited talk at City University London, March 25, 2019

145. Using Randomized Response Techniques for Small Area Estimation of Population Total, Invited talk at New Castle University, UK, March 29, 2019

 146. Mean Estimation of Sensitive Variables Under Measurement Errors and Non-Response Using Optional RRT Models, Invited Talk at Durham University, UK, April 1, 201

 147. Evaluating Performance of Mean Estimators of Sensitive Variables under Measurement Errors with Respect to Efficiency and Respondent Privacy, Invited Talk at University of Edinburgh, April 5, 2019

148. Advances in Randomized Response Models, Invited Talk at Robert Koch Institute, Berlin, April 8, 201

 149. A Unified Measure of Model Efficiency and Respondent Privacy in Quantitative Randomized Response Models Invited talk at Charles University Prague, April 10, 201

 150. Assessing Quality of Quantitative RRT Models, Invited talk at the Alfred Renyi Institute Budapest, April 12, 2019

151. Untruthful Responding in Randomized Response Models – Invited talk at Appalachian State University, September 18, 2019

152. A Binary Unrelated-Question RRT Model Accounting for Untruthful Responding – Invited talk at UNC Asheville, September 19, 2019