Subhash Lele's website




Subhash R. Lele
Professor
Department of Mathematical and Statistical Sciences
University of Alberta
Edmonton, AB T6G 2G1
CANADA

Ph: 780 492 4290
Email: slele@ualberta.ca

Research interests:
Books:
  1. An Invariant Approach to Statistical Analysis of Shapes: S. R. Lele and J. T. Richtsmeier (2000) CRC Press, USA.
  2. The nature of scientific evidence: Empirical, Philosophical and Statistical Perspectives: M. L. Taper and S. R. Lele (Eds.) University of Chicago Press, U.S.A.
Journal publications:
  1. Solymos, P., Lele S.R. and Bayne, E. (2012) Conditional likelihood approach for analyzing single visit abundance survey data in the presence of zero inflation and detection error. Environmetrics (in press)
  2. Nadeem, K. and Lele, S.R. (2012) Likelihood based Population Viability Analysis in the presence of observation error. Oikos (in press)
  3. Lele, S.R., Moreno, M. and Bayne, E. (2012) Dealing with detection error in site occupancy surveys: What can we do with a single survey? (Invited paper) Journal of Plant Ecology 5: 22-31.
  4. Wasser S.K., J. L. Keim, M. L. Taper, S. R. Lele (2011) Impacts of oil exploration on caribou, moose and wolf: Physiology corroborates resource selection. Frontiers in Ecology and the Environment (in press, available online on the journal website).
  5. Keim J.L., P. D. DeWitt and S.R. Lele (2011) Predators choose prey over prey habitats: evidence from a Lynx-Hare system. Ecological Applications 21(4): 1011-1016.
  6. Lele S. R., Nadeem, K. and B. Schmuland (2010) Estimability and likelihood inference for generalized linear mixed models using data cloning. Journal of the American Statistical Association 105:1617-1625.
  7. Lele, S.R. (2010) Model complexity and information in the data: Could it be a house built on sand? Ecology 91: 3493-3496.
  8. Solymos, P. and S. R. Lele (2011) Global pattern and local variation in species-area relationshops. Global Ecology and Biodiversity (in press, available on line on the journal website)
  9. Potopov, A., Muirhead, J., Lele S.R. and M. L. Lewis (2011) Stochastic Gravity Models for modeling lake invasions. Ecological Modelling 222: 964-972.
  10. Potopov, A., Muirhead, J., Yan, N., Lele S.R. and M.L. Lewis (2011) Models of lake invasibility by Bythotrephes longimanus, a non-indigenous zooplankton. Biological Invasions (in press)
  11. Prasad, N.G.N. and S.R. Lele (2011) Improved prediction in finite population sampling using convex combination of parametric and non-parametric models. Sankhya (in press)
  12. Moreno, M. and S.R. Lele (2010) Improved estimation of site occupancy using penalized likelihood. Ecology 91:341-346.
  13. Ponciano J., M.L. Taper, B. Dennis and S. R. Lele (2009) Hierarchical models in ecology: Confidence intervals, hypothesis testing and model selection using data cloning. Ecology 90:356-362.
  14. Lele S. R. and B. Dennis (2009) Bayesian method for hierarchical models: Are ecologists making a Faustian bargain? Ecological Applications 19: 581-584.
  15. Lele, S.R. (2009) A new method for estimation of resource selection probability function. Journal of Wildlife Management 73:122-127.
  16. Proffitt, K.M., R.A. Garrott , J. J. Rotella and S R Lele (2008) Using form analysis techniques to improve photogrammetric mass-estimation methods. Marine Mammal Science 24: 147-158.
  17. Codešo, C.T., S. R. Lele, M. Pascual, M. Bouma, A. Ko (2008) A stochastic model for ecological systems with strong nonlinear response to environmental drivers: application to two waterborne diseases. Journal of the Royal Society Interface 5 (19): 247-252.
  18. Krkosec, M., J.S. Ford, A. Morton, S. R. Lele, R.A. Myers and M.A. Lewis (2007) Declining wild salmon populations in relation to parasites from farm salmon. Science 318: 1772-1775.
  19. Lele, S.R., B. Dennis and F. Lutscher (2007) Data cloning: easy maximum likelihood estimation for complex ecological models using Bayesian Markov chain Monte Carlo methods. Ecology Letters 10:551-563.
  20. Lele, S.R. and Jonah L. Keim (2006) Weighted distributions and estimation of resource selection probability functions. Ecology 87(2) 3021-3028.  
  21. Dennis B., J.M. Ponciano, S.R. Lele, M.L. Taper and D.F. Staples (2006) Estimating density dependence, process noise and observation error. Ecological Monographs 76(3) 323-341.
  22. Lele, S.R. (2006) Sampling variability and estimates of density dependence: A composite likelihood approach. Ecology 87(10) 189-202.
  23. Lele S.R. and K.L Allen (2006) On using expert opinion in ecological analyses: a frequentist approach. Environmetrics 17:683-704.
  24. Piellat, A. M, Lewis, M., Lele S.R. and Beck, de Camino Tomas (2006) Optimal sampling designs for seed dispersal experiments. Ecological Modelling 190:205-222.
  25. Boyce, M., S.R. Lele and B.Johns (2005) Whooping crane recruitment is enhanced by egg removal. Biological Conservation 126: 395-401.
  26. Frair, J., S Nielson, E Merrill, SR Lele, M Boyce, R Munroe, G Stenhouse and H Beyer (2004)  “Removing GPS collar bias in habitat selection studies.”  Journal of Applied Ecology 41 201-212.
  27. Lele, S.R. (2003) Bootstrap, Jackknife and estimating functions. Statistical Science 18: 185-190.
  28. Florio, E.N., Lele, S.R., Chang, Y.C., Sterner, R. and G.E. Glass (2004) Integrating AVHRR satellite data and NOAA ground observations to predict surface air temperature: a statistical approach. International Journal of Remote Sensing 25:2979-2974..
  29. A. Das, Lele, S.R., Glass, G.E.G., Shields, T., and Patz, J.A. (2002) Modeling a Discrete Spatial Response using Generalized Linear Mixed Models: Application to Lyme Disease Vectors. International Journal of Geographic Information Science 16(2): 151-166.
  30. Richtsmeier J.T., DeLeon V. and Lele S. (2002) The promise of geometric morphometrics  Yearbook of Physical Anthropology 45:63-91.
  31. Lele, S.R. and C.E. McCulloch (2002) Invariance, Identifiability and Morphometrics. Journal of American Statistical Association 97: 796-806.
  32. Lele, S.R. and M.L. Taper (2002) A composite likelihood approach to estimation of (co)variance components. Journal of statistical planning and inference 103:117-135.
  33. Curriero, FC, Patz, JA, Rose, JB, Lele, S (2001). Analysis of the Association between Extreme Precipitation and Wterborne Disease Outbreaks in the United States, 1948-1994.  American Journal of Public Health (91): 1194-1199.
  34. Curriero, FC, Hohn, ME, Liebhold, AM, Lele, SR (2001). A Statistical Evaluation of Non-Ergodic Variogram Estimators.  Environmental and Ecological Statistics. 9:89-110.
  35. Rose J, Daeschner S, Easterling, D., Curriero FC, Lele S., Patz J (2000): Applying a geographic information system (GIS) to assess the relationship between weather and water-borne diseases in the US: 1972-1994. Journal of the American Water Works Association 92(9): 77-87.
  36. Lele, S.R. and A. Das (2000) Elicited data and incorporation of expert opinion for statistical inference in spatial studies. Mathematical Geology 32:465-487.
  37. Curriero, F. and Lele, S. (1999) A composite likelihood approach to semivariogram estimation. Journal of Agricultural, Biological and Environmental Statistics 4(1) 9-28.
  38. Gilbert, P. B., Lele, S.R. and Y. Vardi (1999) Maximum likelihood estimation in semiparametric selection bias models with applications to AIDS vaccine trials. Biometrika 86:27-43.
  39. Heagerty, P. and S. R. Lele (1998) A composite likelihood approach to binary spatial data. Journal of the American Statistical Association 93: 1099-1111.
  40. Lele, S.R., Taper, M.L. and S. Gage (1998) Statistical analysis of population dynamics in space and time using estimating functions. Ecology 79: 1489-1502. 
  41. Lele, S. R. (1995) Inner product matrices, Kriging and nonparametric estimation of variogram. Mathematical Geology 27: 673-692.
  42. Lele, S.R. (1994) Estimating functions in chaotic systems. Journal of the American Statistical Association. 89: 512-516.
  43. Lele, S.R. (1993) Euclidean distance matrix analysis: Estimation of mean form and mean form difference. Mathematical Geology 25: 573-602
  44. Lele S.R. and J.T. Richtsmeier (1992) On comparing biological shapes: Detection of influential landmarks. American Journal of Physical Anthropology 87: 49-65.
  45. Lele, S.R. (1991) Jackknifing linear estimating equations: Asymptotic theory and applications. Journal of the Royal Statistical Society, Ser. B. 53: 253-267.
  46. Lele, S. R. (1991) Some comments on coordinate free and scale invariant methods in morphometrics. American Journal of Physical Anthropology 85: 407-417.
  47. Lele, S.R. and J.T. Richtsmeier (1991) Euclidean Distance Matrix Analysis: A Coordinate free approach to comparing biological shapes using landmark data. American Journal of Physical Anthropology 86: 415-427.
  48. Lele, S.R. and J.T. Richtsmeier (1990) Statistical models in morphometrics: Are they realistic? Systematic Zoology 39: 60-69.
Other refereed contributions:
  1. Lele S.R. and M.L. Taper (2011) Information criteria in ecology. University of California Press
  2. Lele S.R. and M.L. Taper (2011) Statistical inference in ecology. International Encyclopedia in Statistics
  3. Lele S.R. and M.L. Taper (2011) Statistical evidence. International Encyclopedia in Statistics
  4. Taper, M.L. and S.R. Lele (2011) Evidence, Evidence functions and Error probabilities. Encyclopedia of Philosophy of statistics (Ed. Forster M. and P. Bandyopadhyay), Elsevier press, USA. (in press)
  5. Krkošek, M., Ford, J., Morton, A., Lele, S., Lewis, M.  (2008) Sea lice and pink salmon declines: response to Brooks and Jones. Reviews in Fisheries Science 16:4, 413-420.
  6. Lele, S.R. (2007) Discussion of ‘Parameter estimation for differential equations: A generalized smoothing approach by Ramsey et al. Journal of the Royal Statistical Society, Ser. B 69: 787.
  7. M Krkosek, JS Ford, A Morton, SR Lele and MA Lewis (2008) "Response to comment on 'Declining wild salmon populations in relation to parasites from farm salmon'" Science 322: 1790.
  8. Richtsmeier JT, Lele SR & Cole TM III.  (2005)  Landmark morphometrics and the analysis of variation.  In B Hallgrimsson & B Hall (eds.): Variation: A General Concept in Biology. New York : Elsevier Academic Press, pp. 49-69.
  9. Richtsmeier, J.T., T. Cole and S.R. Lele (2005) An invariant approach to the study of fluctuating asymmetry: Developmental instability in a mouse model for down syndrome. Modern Morphometrics in Physical Anthropology, Dennis E. Slice (Ed.) Kluwer Academic/ Plenum publishers. Pp. 187-207.  
  10. Taper, M.L. and S.R. Lele (2004) “The nature of scientific evidence:  A forward looking synthesis.”  The nature of scientific evidence (eds. ML Taper and SR Lele), University of Chicago Press .  (2004): pp. 525 – 551.
  11. Lele, S.R. (2004) “Elicit data, not prior: On using expert opinion in ecological studies.” The nature of scientific evidence (eds. ML Taper and SR Lele), University of Chicago Press .  (2004): pp. 410 – 436.
  12. Taper, M.L.and S.R.Lele (2004) “Dynamical models as paths to evidence in ecology.” The nature of scientific evidence (eds. ML Taper and SR Lele), University of Chicago Press. (2004): pp. 275 – 297.
  13. Lele, S.R. (2004) “Evidence functions and the optimality of the law of likelihood.”  The nature of scientific evidence (eds. ML Taper and SR Lele), University of Chicago Press . (2004): pp 191 - 216.  
  14. Lewin-Koh N., ML Taper and S.R Lele (2004) ”A brief tour of statistical concepts.”  The nature of scientific evidence (eds. ML Taper and SR Lele), University of Chicago Press . (2004): pp 3 -16.  
  15. Lele, S.R. (2003) Discussion of “Can Jeffereys, Fisher and Neyman have agreed?” by Jim Berger. Statistical Science 18(1): 18-19.
  16. Jonathan A. Patz, Mike Hulme, Cynthia Rosenzweig, Timothy D. Mitchell, Richard A. Goldberg, Andrew K. Githeko, Subhash Lele, Tony McMichael & David Le Sueur † (2002) Regional warming and malaria resurgence. Nature (420)627-628.
  17. Lele, S.R. and Taper, M.L. (2002) Discussion: What shall we teach in environmental statistics? Journal of Ecological and Environmental Statistics 9(2): 145-146.
  18. Cole TM III, Lele S and Richtsmeier JT. (2002) A parametric bootstrap approach to the detection of phylogenetic signals in landmark data.  In MacLeod N & Forey P (eds.): Morphometrics, Shape, and Phylogenetics.  London.
  19. McMichael, A.J., Martens, W.J.M., Kovats, R.S. and Lele, S. (2000) Climate Change and Human Health: Mapping and Modelling Potential Impacts. Spatial Epidemiology, Methods and Applications, Elliot, P., Wakefield, J.C., Best, N.G. and D.J. Briggs (eds.) Oxford University Press, U.K., pp. 444-461.
  20. Das, A., Lele, S., Gurri-Glass,G., Shields, Timothy and Patz, J. (1999) Spatial modeling of vector abundance using generalized linear mixed models with application to Lyme disease. Heuvelink, G.B.M. and Lemmens, M.J.P.M., eds. Accuracy 2000. Delft University Press, The Netherlands, pp. 125-133.
  21. Bunnel, J.E., Dumler, J.S., Lele, S.R., Shields, T.M. and Glass, G.E. (1999) Molecular ecological analysis of Ixodes scapularis, Borrelia burdorferi and the HE agent in the middle atlantic region of the USA. In Rickettsiae and rickettsial diseases at the turn of the third millennium (D.Raoult and P. Brougui, eds.) Elsevier, Amsterdam pp. 432-435.
  22. Lele, S. (1998) Discussion of “Model-based geostatistics” by Diggle et al. Journal of Royal Statistical Society, Ser. C.
  23. Lele, S. (1997) Estimating functions for semivariogram estimation. (Selected Proceedings of the Conference on Estimating Functions (eds. Basawa, I.V., Godambe, V.P. and Taylor, R.L.) IMS Lecture Series Monographs, 381-396.
  24. Lele, S. (1991). Discussion of Goodall's paper on ''Procrustes methods in the analysis of shape''. Journal of Royal Statistical Society, Ser. B.53(2):334.
  25. Lele, S. (1991). Resampling using estimating equations. Estimating Functions, Godambe V.P. (Ed.) Oxford University Press, pp. 295-304.

Software related to my research:

These packages are available in R software through CRAN.

Data cloning in R software: dclone

Resource Selection Probability Function estimation: ResourceSelection

Occupancy and Abundance estimation in the presence of detection error using single survey: detect

Bias in realized population growth estimation using Hatter and Bergerud (1991) Frontiers in Ecology