Research Interests :
The areas of my primary research interests are:
Design and Analysis of Experiments & Related Combinatorics, Linear Models with Applications, Classification of Multivariate Data.
This Institute of National Importance is a unique mulit-locational one. The Headquarters are in Kolkata, with Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
Indian Statistical Institute, 203 Barrackpore Trunk Road
Kolkata 700108, India.
Indian Statistical Institute, 7 S.J.S. Sansanwal Marg
New Delhi 110016, India.
Indian Statistical Institute, 8th Mile, Mysore Road
R.V. College Post, Bangalore 560059
India.
Indian Statistical Institute, 37 Nelson Manickam Road
Chateau D'Ampa, Aminjikarai, Chennai 600029
India.
Indian Statistical Institute,
North-East Centre
Punioni
P.O. Solmara
Tezpur- 784501
Assam
45, Barrackpore Trunk Rd, Dunlop
Gupta Niwas, Santhi Nagar Colony, Belghoria
Kolkata, West Bengal 700056
Indian Statistical Institute
Rose Villa
P.O. New Barganda
Giridih 815 301
Jharkhand, India.
Indian Statistical Institute
Street No. 8
Habsiguda
Hyderabad 500007
India.
Indian Statistical Institute
3rd Floor, Room No. 320
Central Government Offices Building (Pratistha Bhavan)
101, Maharshi Karve Road
Mumbai 400020
India.
Indian Statistical Institute
Vishwavidya
B-9, B-Wing, 3rd Floor MHADA Building
Near Gandhi Bhavan
Survey Number 36
Kothrud
Pune 411038
India.
Indian Statistical Institute
401 Tirthak Flats
54/1 Arunoday Society
Alkapuri
Vadodora 390007
India.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
The activities of the Institute are organized into divisions, of which seven are for research, development and consultancy activities. Each division comprises of Units. Furthermore, there are Associated Institutions and dedicated R&D Centres of the Institute.
This Institute of National Importance is a unique multi-locational one. The Headquarters are in Kolkata and Centres in Bengaluru, Delhi, Chennai and Tezpur and a branch in Giridih. The academic programmes are offered in these locations. In addition, there are offices in Coimbatore, Hyderabad, Mumbai, Pune, Vadodara primarily for consultancy on statistical quality control and operation research in a wide range of industries.
Latest Notices:
The areas of my primary research interests are:
Design and Analysis of Experiments & Related Combinatorics, Linear Models with Applications, Classification of Multivariate Data.
Address of Correspondence : Applied Statistics Division,
Interdisciplinary Statistical Research Unit,
Indian Statistical Institute,
Room: 408, R. A. Fisher Bhavan,
203 B. T. Road,
Kolkata- 700108,
India.
Phone(O) : +91 33 2575 3426
E-mail Address : rita_saharay@yahoo.com
Education :
Ph.D (1987) Indian Statistical Institute, Calcutta, India.
Thesis : Studies on Optimality of Some Classes of Designs
M.Stat(1980) Indian Statistical Institute, Calcutta, India.
B.Stat(1979) Indian Statistical Institute, Calcutta, India.
Academic and Professional positions held:
Professor : Indian Statistical Institute, February2007-Present.
Associate Professor : Indian Statistical Institute, June 1995-& -January 2007.
Assistant Professor: Indian Statistical Institute, June 1990- May 1995.
Long term Visiting Assignment:
Visiting Professor : Missouri University of Science & Technology,
Department of Mathematics & Statistics,
Rolla, MO 65409, USA.
AY 2014-15, AY 2010-11.
Visiting Associate Professor: Missouri University of Science & Technology,
Department of Mathematics & Statistics,
Rolla, MO 65409, USA.
AY 2007-08.
Visiting Associate Professor: University of South Alabama,.
Department of Mathematics & Statistics,
Mobile, AL 36688, USA.
Spring 2007.
Visiting Scientist: Indian Statistical Institute,
Theoretical Statistics and Mathematics Division,
Kolkata 700108, India.
June 1, 1989 - May 31, 1990.
Visiting Assistant Professor: Washington State University,
Program in Statistics and -
Department of Pure & Applied Mathematics,
Pullman, WA 99164.
Spring 1988- Spring 1989.
Short-term Visiting Assignment:
Indiana University-Purdue University Indianapolis,
IN 46202, USA.
March 25, 2015 - March 27, 2015 and November 1, 2017 - November 30, 2017.
National University of Singapore,
Singapore.
November 22, 2016 - November 26, 2016.
College of Charleston, Charleston, SC-29424, USA.
October 20, 2015 -October 25, 2015.
Missouri University of Science & Technology,
Rolla, MO 65409, USA.
June 1, 2012 - June 26, 2012
Washington State University,
Pullman, WA-99164, USA.
June 12, 2006 - July 15, 2006.
University of Illinois,
Chicago, IL- 60612, USA.
October 14, 2005 - November 30, 2005.
University of Waterloo,
Canada-N2L 3G1.
May 15, 2005 June 17, 2005, June 20, 2004 - July 31, 2004 and
June 15, 1995 - July, 31, 1995.
& School of Information Technology and Computer Science,
University of Wollongong,
Australia.
November 30, 2001-December 28, 2001.
Australian National University,
Australia.
November 26, 2001 - November 28, 2001.
Other Positions Held:
Associate Editor of Sankhy_a Series A, April 2016 onwards.
Teaching Experience :
List of all courses taught at Indian Statistical Institute(ISI) :
1. Linear Algebra & Linear Models( M.Stat 1st Year)
2. Theory and Methods of Statistics I, II, IV( M.Stat 1st & 2nd Year)
3. Inference -I ( B.Stat 3rd year)
4. Design of Experiments (B.Stat 3rd Year and M.Stat 1st year)
5. Advanced Design of Experiments (M.Stat 2nd year )
6. Linear Models (B.Stat 3rd year)
7. Regression and Correlation (M.Stat 1st year)
8. Random Effects and Mixed Effects Model(M.Stat 1st year)
9. Categorical Data Analysis(M.Stat 1st year)
Courses taught at Missouri University of Science & Technology:
STAT 3113 :Applied Engineering Statistics ,
MATH 5107: Combinatorics and Graph Theory,
STAT 5643: Statistics and Probability.
Courses taught at University of South Alabama:
STAT 315: Applied Probability and Statistics,
MATH 367 :Combinatorial Enumeration
Courses taught at Washington State University:
STAT 360: Probability and Statistics
STAT 443: Applied Probability
MATH 107: Precalculus Algebra 3
Professional Activities :
1. Chairperson Research Fellows Advisory Committee (RFAC) of Applied Statistics
Division of Indian Statistical Institute, March 29, 2019- November 30, 2020.
2. Member Quinquennial Review Team (QRT) of ICAR-Indian Agricultural Statistics
Research Institute (ICAR-IASRI), New Delhi,2018
3. Chairperson in the Session “Time Series Forecasting" in the 3rd International Statis-
tics Conference on Statistics for Good Governance, held in Colombo, Institute of
Applied Statistics Sri Lanka, December 28-29, 2017.
4. Organizer of the Invited Session on “Recent Advances in Design of Experiments" in
the 3rd International Statistics Conference on Statistics for Good Governance, held
in Colombo, Institute of Applied Statistics Sri Lanka, December 28-29, 2017.
5. Chairperson in the Session “Demography and Health Statistics" in the The Inter-
national Conference on Bioinformatics and Biostatistics for Agriculture Health and
Environment, University of Rajshahi, Bangladesh, January 20-23, 2017.
6. Chairperson in the Session “International Scientific Research and Experimental De-
velopment" in the 18th International Conference on Statistics and Applications,
World Academy of Science, Engineering and Technology (WASET), Singapore,
November 21-22, 2016.
7. Head, Bayesian and Interdisciplinary Research Unit, Indian Statistical Institute,
September 2012- July 2014, October 2020-
8. Reviewer of Mathematical Review.
9. Referee for the papers submitted to Journal of the Royal Statistical Society, C,
Sankhy_A, Jour. Statist. Plann. and Inf., Calcutta. Statist. Assoc. Bull. , Statistics
and Probability Letters, Journal of Statistical Computation and Simulation, Commu-
nications in Statistics, Theory and Methods, Statistics and Applications, Journal of
the Society of Agricultural Statistics and Journal of Statistical Theory and Practice.
10. Convener & member in the Selection Committee of B.Stat, M.Stat courses and Junior Research Fellows in Indian Statistical Institute(ISI), Calcutta, India in almost every year.
11. Member in the Selection Committee of the Project Linked Personnel for different
Internally Funded projects undertaken by ASU and BIRU in Indian Statistical In-
stitute(ISI), Calcutta.
12. Member in the Annual Report Committee, Indian Statistical Institute, 2017 -2019.
13. Chairperson in the Committee of making recommendations regarding eligibility con-
dition for certain Academic Programs in ISI, 2017.
14. Committee Member (Awards Committee) for Haldane Memorial prize, Raja
Rao Memorial prize, Murthy Memorial prize and Ambarnath-Shanti Travel Grant
constituted in ISI.
15. Coordinator and Instructor in the \Workshop on Computational statistics", orga-
nized by Interdisciplinary Statistical Research Unit, ISI during March 19-23, 2018 at
Kolkata campus.
16. Coordinator and Instructor in the \North-east Training Program on Statistical Data
Analysis", organized by ISI at Dibrugarh University, Assam, November 26-30, 2013,
Workshop on Statistical Methods for the Agricultural Sciences, organized by ISI and
Assam Agricultural University, Jorhat, September 7-10, 2015.
17. Instructor in the Workshop on Data Analysis for Business Research", organized
by ISI at Assam University, Silchar, December 12-14, 2013, Workshop on Statistical
Data Analysis, organized by ISI and Tripura University, Suryamaninagar, November
18-24, 2015.
18. Chairperson in the Session III of Contributed Talks in the 27th Annual Midwest
Conference on Combinatorics, Cryptography and Computing, October 18-20, 2013,
Southwestern University, USA.
19. Coordinator of One-day Seminar on applied Statistics held in BIRU during March
22, 2013.
20. Treasurer and Session Organizer (Design of Experiments) in the International Con-
ference Current Issues and Applications of Statistics(CIAS)" held in ISI during
January 2-4, 2012.
21. Coordinator of the “Research Level Workshop on Experimental Designs-Theory and
Applications"' held in the Stat-Math unit, ISI, Calcutta, during November 25-29,
2002.
22. Chairperson in the Session “Design of Experiments" in the International Conference
on Statistics, Combinatorics and Related Topics and Eighth International Conference
of the Forum for Interdisciplinary Mathematics, December 19-21, 2001, University
of Wollongong, Australia.
23. Joint convener of the International Conference celebrating 80th Birthday of Prof.
C.R.Rao (December 29-31, 2000) held in ISI, Calcutta.
24. Instructor in the Winter Schools on Statistical Methodologies", organized by the
Stat-Math Unit, ISI, Calcutta (October 28 -November 20, 1998).
25. Instructor in the Research Level Workshop on Variance Components Estimation
and Optimal Design", during September 11-12, 1998.
26. Chairperson in the Session \Design of Experiments and Linear Models" in the In-
ternational Conference on Recent Advances in Statistics and Probability organized
by Indian Statistical Institute and The Bernoulli Society for Mathematical Statistics
and Probability, held in ISI, December 29 ,1997-January 1, 1998.
27. Instructor in the “Research level Workshop on Optimal Design of Experiments",
during November 28-29, 1997.
28. Instructor in the \Workshop on Design of Experiments and Applications", organized
by ISI at Sambalpur in December, 1996.
29. Coordinator & Instructor in the UGC Refresher Courses (Post Graduate-level) during October 30-November 20,1995.
Professional Membership :
(i) Indian Statistical Institute (Life Member).
(ii) Calcutta Statistical Association.
List of Lecture Notes/Technical Reports presented in Workshop/Conferences
1. DS Optimal Designs:
Design Workshop Lecture Notes, ISI, Kolkata, November, 25-29, 2002, pp 31-50.
2. A Note on Uniformly Minimum Variance Quadratic Unbiased Estimation of . (with A. Das):Research Level Workshop on Variance Components Estimation & Optimal Designs,( presented by Rita SahaRay) September 11- 12, 1998, ISI.
3. On Henderson's Method III of Estimation of Variance Components (with K.C.Chatterjee and A. Das):Research Level Workshop on Variance Components Estimation & Optimal Designs, September 11-12, 1998, ISI.
4. Choosing between Experiments: A Bayesian Risk Analysis (with B.K.Sinha and
A.Goswami):LINSTAT '93 Conference held in Pozan, Poland during May 31-June 4, 1993 .
List of Invited Talks
1. Study on the Optimality Aspects of Covariate Designs in the Crossover Design Mod-
els Set-up, 3rd International Statistics Conference, organized by the Institute of
Applied Statistics, Sri Lanka, held in Colombo, December 28-29, 2017.
2. Optimal Covariate Designs, Indiana University-Purdue University Indianapolis, In-
dianapolis, USA, November 3, 2017.
3. On the Optimality of Blocked Main Effects Plans, University of Rajshahi, Bangladesh,
January 22, 2017.
4. Generalized Quadratic Discriminant Analysis
Department of Mathematical Sciences, Indiana University Purdue University Indi-
anapolis, Indianapolis, USA, March 27, 2015.
Department of Mathematics, College of Charleston, South Carolina, USA, October
23, 2015.
Department of Statistics & Applied Probability, National University of Singapore,
November 23, 2016.
5. Mahalanobis Taguchi System(MTS) and Mahalanobis Taguchi Gram-Schimdt(MTGS) Methods as Multivariate Classification Tools, ISI-ISM-ISSAS Joint Conference, held in Academia Sinica, Taipei, Taiwan, January 31- February 1st, 2013.
6. Partially Replicated Fractional Factorial Designs: International Conference on Statis-
tics and Informatics in Agricultural Research, organized by the Indian Society of
Agricultural Statistics, December 18-20, 2012.
7. Optimal Crossover Designs for Comparing Mixed Carryover Effects:
Department of Mathematics & Statistics, Missouri University of Science &
Technology, October 5, 2007,
Department of Statistics & Actuarial Sciences, University of Central Florida,
March 26, 2007,
Annual Meeting of the Florida Chapter of the American Statistical Institute,
held at the Department of Mathematics Statistics, University of West Florida,
February 24, 2007,
Department of Mathematics and Statistics, University of South Alabama,
February 8, 2007.
8. Critical Sets for Pairwise Mutually Orthogonal Latin Squares:
Kappa Mu Epsilon Math Honors Society, Missouri University of Science & Technol-
ogy, November 1, 2007,
Department of Mathematics & Statistics, Missouri University of Science & Technol-
ogy, October 26, 2007,
Cameron University, Lawton, Oklahama, Department of Mathematical Sciences,
July 11, 2007,
Department of Mathematics, Statistics and Computer Science, University of Illinois
at Chicago, November 9, 2005.
9. Critical Sets in Orthogonal Arrays:
National Symposium on Planning of Experiments and Analysis of Data , organized
by the Department of Statistics, University of Kalyani and Department of Statistics,
University of Calcutta, October 4-5, 2002.
10. DS Optimal Designs in One Way ANOVA :
XXII Annual Conference of the Indian Society for Probability and Statistics, orga-
nized by the Department of Statistics, University of Pune, August 11-14, 2002,
International Conference on Statistics, Combinatorics and Related Topics and Eighth
International Conference of the Forum for Interdisciplinary Mathematics, University
of Wollongong, Australia, December 19-21, 2001,
Center for Mathematics and its Applications, Australian National University, Aus-
tralia, December 28,2001.
11. Further Study on Row-column Designs with Unequal Row-column Sizes:
School of Information Technology and Computer Science, University of Wollongong,
Australia, December 24, 2001.
12. Nested Block Designs:
Training Program on Designs of Experiments for Agricultural Statisticians during
February, 1999 organized by Indian Agricultural Statistics Research Institute, New
Delhi.
List of papers presented in Conferences:
1. A-optimal and A-efficient Treatment Control Design in the Heteroscedastic One Way
Layout with Covariates, International Conference on Statistics: Theory and Methods,
Lisbon, August 13-14, 2019.
2. A-optimal Treatment Control Design in the Presence of Covariates: the ISM IV
Conference in Statistics, Sunway University, Malaysia, August 1-2, 2018.
3. On the Optimality of Blocked Main Effects Plans, the 18th International Conference
on Statistics and Applications, Singapore, November 21-22, 2016. ( Best Paper
Award)
4. D- and E-optimal Blocked Main Effects Plans with Unequal Block Sizes when n is
Odd, The 29th Annual Midwest Conference on Combinatorics and Combinatorial
Computing, College of Charleston, South Carolina, USA, October 17-19, 2015.
5. Critical Sets in F-Squares and Equiorthogonal F- squares, the 27th Annual Midwest
Conference on Combinatorics, Cryptography and Computing, Southwestern Univer-
sity, Texas, USA, October 18-20, 2013.
6. Critical Sets in Orthogonal Arrays, R. C. Bose Centenary Symposium on Discrete
Mathematics and Applications, December 20-23, 2002, Indian Statistical Institute,
Kolkata.
7. DS Optimal Designs in One Way ANOVA, International Conference on Statistics,
Combinatorics and Related Areas and the Eighth International Conference of the
Forum for Interdisciplinary Mathematics, University of Wollongong, Australia,
December 19-21, 2001.
8. On a Partitioned Linear Model and Some Associated Reduced Models, Fourth In-
ternational Workshop on Matrix Methods for Statistics, Montreal, Quebec,Canada,
July 15-16, 1995.
9. A Class of Optimal Row-column Designs with Some Empty Nodes, Second Interna-
tional Triennial Calcutta Symposium on Probability and Statistics, December 26- 28,
1994.
10. Optimal Row-column Designs with Unequal Row-column Sizes, Indian Science Congress held in Indore, India, January 1991.
1. Ghosh Abhik, SahaRay Rita, Chakrabarty Sayan and Bhadra Sayan (2021), Robust
Generalized Quadratic Discriminant Analysis. Pattern Recognition, accepted, DOI:
10.1016/j.patcog.2021.1079814
2. Dutta Ganesh and SahaRay Rita (2021), Optimal and Efficient Designs for Com-
paring a Set of Test Treatments with a Set of Controls in a Heteroscedastic One Way
Layout with Covariates, Journal of Statistical Theory and Practice: Special Volume
C. R. Rao birth centenary celebration, accepted, DOI: 10.1007/s42519-020-00157-w.
3. SahaRay Rita and Dutta Ganesh (2019), Optimal and Effcient Treatment Control
Design in the Heteroscedastic CRD Set-up with Covariates, Statistics, 53, No: 2,
459-469.
4. SahaRay Rita and Dutta Ganesh (2018), On the Optimality of Blocked Main
Effects Plans with Even Number of Runs, Journal of Statistical Theory and Practice,
12, No: 1, 136-150.
5. SahaRay Rita and Dutta Ganesh (2016), On the Optimality of Blocked Main Ef-
fects Plans, International Journal of Mathematical, Computational, Physical, Elec-
trical and Computer Engineering, 10, No: 11, 532-535.
6. Dutta Ganesh and SahaRay Rita (2015), D- and E- optimal Blocked Main Eects
Plans with Unequal Block Sizes when n is Odd, Statistics and Probability Letters,
107, 37-43.
7. Bose, Smarajit, Pal, Amita, SahaRay R. and Nayak, Jitadeepa(2015), Generalized
Quadratic Discriminant Analysis, Pattern Recognition, 48, 2676-2684.
8. SahaRay, Rita and Morgan, Ilene H. (2015), Critical Sets in F-squares, Ars Com-
binatoria, 118, 333-347.
9. SahaRay, Rita and Adhikari, Avishek (2015), Structural Form of a Minimal Critical
Set for a Latin Square Representing the Elementary Abelian 2- group of Order 8,
Ars Combinatoria, 120, 181-191.
10. Morgan, Ilene H., and SahaRay Rita (2014), Critical Sets in Equiorthogonal Fre-
quency Squares, Australasian Journal of Combinatorics, 59, No.1, 182-205.
11. Bose, Smarajit, SahaRay, Rita and Bandyopadhyay, Rohosen (2014), Mahalanobis
Taguchi System(MTS) and Mahalanobis Taguchi Gram-Schimdt(MTGS) Methods
as Multivariate Classication Tools, International Journal of Industrial and Systems
Engineering,16: No.1, 103-119.
12. Dutta Ganesh and SahaRay Rita (2013), Optimal Choice of Covariates in the Set
up of Crossover Designs, Statistics and Applications, 11: No. 1&2, 93-109.
13. Bose, S., Pal, A., SahaRay R. and Nayak, J. (2012), Adaptive Nonparametric Dis-
criminant Analysis, Proceedings of the 2012 International Conference on Information
and Knowledge Engineering - IKE 2012, 220-223.
14. SahaRay, Rita and Shah, Kirti ( 2011). Two Period Repeated Measurement De-
signs for Comparing Simple Mixed Carryover Eects, Journal of Statistical Theory
and Applications, 10: No.2, 259-278.
15. Dasgupta, Nairanjana, Jacroux, M. and SahaRay, Rita (2010). Partially Replicated
Fractional Factorial Design, Metrika, 71: No. 3, 295-311.
16. Dasgupta, Nairanjana and SahaRay, Rita (2007). Optimal Allocation for Com-
paring k Test Treatments to Positive and Negative Control with Unequal Weighting
under A-optimality and MV-optimality, Metrika, 65: No.1, 83-92.
17. SahaRay, Rita and Shah, K. R. (2006). Optimal Crossover Designs for Compar-
ing Mixed Carryover Eects, Calcutta Statistical Association Bulletin, 58, 223-232.
18. SahaRay, Rita, Adhikari, Avishek and Seberry, J.(2005). Critical Sets for a Pair
of Mutually Orthogonal Cyclic Latin Squares of Odd Order Greater than 9, Jour-
nal of Combinatorial Mathematics and Combinatorial Computing, 55, 171-185.
19. SahaRay, Rita, Adhikari, Avishek and Seberry, J. (2005). Critical Sets in Orthogo-
nal Arrays with 7 and 9 Levels (Australasian Journal of Combinatorics, 33, 109-123.
20. SahaRay, Rita and Bhandari, S.K. (2003). DS-optimal Designs in One Way
ANOVA, Metrika, 57, 115-125.
21. SahaRay Rita and Seberry, J. (2003). Critical Sets in Orthogonal Arrays, Elec-
tronic notes in Discrete Mathematics, 162, Elsevier, Amsterdam.
22. SahaRay, Rita (2001). Further Study on Optimal Row Column Designs with Un-
equal Row and Column Sizes, Statistics and Applications, 3, no:1 & 2, 165-175.
23. Bhimasankaram, P., Shah, K.R. and SahaRay, Rita (1998). On a Singular Par-
titioned Linear Model and Some Associated Reduced Models, Journal of Combina-
torics, Information and System Sciences, 23, No:1-4, 415-421.
24. Bhimasankaram, P. and SahaRay , Rita (1997). On a Partitioned Linear Model
and Some Associated Reduced Models, Linear Algebra and its Applications, 264,
329-339.
25. SahaRay, Rita (1996). A Class of Optimal Row Column Designs with Some Empty
Nodes, Statist. Sinica, 6, No:4, 989-996.
26. Jacroux, M. and SahaRay, Rita (1992). On the Construction of Robust Run Orders
of Treatments, Sankhya, 54 , 306-315.
27. Jacroux, M. and SahaRay, Rita (1992). On the Determination and Construction
of Optimal Row-Column Designs Having Unequal Row Column Sizes, Ann. Inst.
Statist. Math., 43 , 377-390.
28. Jacroux, M. and SahaRay, Rita (1991). Run Orders of Trend Resistant 2-level
Factorial Designs, Sankhya B, 53, 202-212.
29. Mukerjee, R. and SahaRay, Rita (1990). A-optimal Design Measures with String
Property. Gujrat Statistical Review, 17A, 146-142.
30. Jacroux, M. and SahaRay, Rita(1990). On the Construction of Trend Free Run
Orders of Treatments, Biometrika, 77, 187-191.
31. Jacroux, M. and SahaRay, Rita (1990). On the Construction of Trend Free Row
Column 2-level Factorial Experiments, Metrika, 37, 163-180.
32. Sinha, B.K., SahaRay, Rita, and Mukhopadhya, A.C.(1990 ). Non-additive Linear
Models: Estimability and Ecient Estimation of Interaction Parameters, Commun.
in Statist.- Theor. and Meth., 19, 739-764.
33. Jacroux, M. and SahaRay, Rita (1989). Optimality of Some Block Designs, Cal-
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