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  1. Agresti, A. 2002. Categorical Data Analysis, 2nd Ed. Wiley-Interscience, Hoboken, NJ.

  2. Agrios, G.N. 2004 (copyright 2005). Plant Pathology, 5th Ed. Academic Press, San Diego.

  3. Arneson, P.A. 2006. Plant disease epidemiology: Temporal aspects. The Plant Health Instructor. On-line DOI:10.1094/PHI-A-2001-0524-01.

  4. Arneson, P.A. 2005. Management of apple scab: Simulation with Applescab. The Plant Health Instructor. DOI:10.1094/PHI/A-2005-0722-02.

  5. Arneson, P.A. 2005. Managing potato late blight: Simulation with Lateblight. The Plant Health Instructor. DOI:10.1094/PHI/A-2005-0722-01.

  6. Campbell, C.L., and Madden, L.V. 1990. Introduction to plant disease epidemiology. John Wiley & Sons, New York.

  7. Donovan, T.M. and Weldon, C.W. 2002. Spreadsheet exercises in ecology and evolution. Sinauer Associates, Inc., Sunderland, Massachusetts.

  8. Esker, P.D., Harri, J., Dixon, P.M., and Nutter, F.W., Jr. 2006. Comparison of models for forecasting of Stewart's disease of corn in Iowa. Plant Disease 90: 1353-1357.

  9. Esker, P.D., Sparks, A.H., Antony, G., Bates, M., Dall' Acqua, W., Frank, E., Huebel, L., Segovia, V., and Garrett, K.A. 2007. Ecology and epidemiology in R: Modeling dispersal gradients. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2007-1226-03

  10. Francl, L.F., and Neher, D.A., (eds.) 1997. Exercises in Plant Disease Epidemiology. American Phytopathological Society, APS Press.

  11. Freund, J.R., and Wilson, J.W. 1997. Statistical methods. Academic Press, San Diego.

  12. Garrett, K.A., P.D. Esker, and A.H. Sparks. 2007. Introduction to the R programming environment.. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2007-1226-02.

  13. Harrell, F.E., Jr. 2001. Regression modeling strategies: with applications to linear models, logistic regression, and survival analysis. Springer-Verlag, New York.

  14. Heiberger, R.M., and Holland, B. 2003. Statistical analysis and data display: an intermediate course with examples in S-Plus, R and SAS. Springer, New York.

  15. Llorente, I., and Montesinos, E. 2004. Development and field evaluation of a model to estimate the maturity of pseudothecia of Pleospora allii on pear. Plant Disease 88: 215-219.

  16. Madden, L.V. 2006. Botanical epidemiology: some key advances and its continuing role in disease management. European Journal of Plant Pathology 115: 3-23.

  17. Madden, L.V., Hughes, G., and van den Bosch, F. 2007. The Study of Plant Disease Epidemics. The American Phytopathological Society, APS Press St. Paul, Minnesota.

  18. Magarey, R.D., Sutton, T.B., and Thayer, C.L. 2005. A simple generic infection model for foliar fungal plant pathogens. Phytopathology 95: 92-100.

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  20. Mila, A.L., Yang, X.B., and Carriquiry, A.L. 2003. Bayesian logistic regression of soybean Sclerotinia stem rot prevalence in the U.S. northcentral region: accounting for uncertainty in parameter estimation. Phytopathology 93: 758-764.

  21. Myung, J. 2003. Tutorial on maximum likelihood estimation. Journal of Mathematical Psychology 47: 90-100.

  22. Neter, J., Kutner, M. H., Nachtsheim, C. J., and Wasserman, W. 1996. Applied Linear Statistical Models Fourth Edition. WCB McGraw-Hill, Boston.

  23. Pataky, J.K. 2004. Stewart's Wilt of Corn. The Plant Health Instructor. DOI:10.1094/PHI/A-2005-0113-01.

  24. Paul, P.A., and Munkvold, G.P. 2004. A model-based approach for preplanting risk assessment for gray leaf spot of maize. Phytopathology 94: 1350-1357.

  25. R Development Core Team. 2007. R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria.

  26. Reinink, K. 1986. Experimental verification and development of EPIPRE, a supervised disease and pest management system for wheat. European Journal of Plant Pathology 92: 3-14.

  27. Schmidt, K., Sikora, R.A., and Richter, O. 1993. Modeling the population dynamics of the sugar beet cyst nematode Heterodera schachtii. Crop Protection 12: 490-496.

  28. Schumannn, G.L., and D'Arcy, C.J. 2000. Late blight of potato and tomato. The Plant Health Instructor. DOI:10.1094/PHI/A-2000-0724-01. Updated, 2005.

  29. Sparks, A.H., Esker, P.D., Bates, M, Dall' Acqua, W., Guo, Z., Segovia, V. Silwal, S.D., Tolos, S., and Garrett, K.A. 2008. Ecology and epidemiology in R: Disease progress over time. The Plant Health Instructor. Online: DOI:10.1094/PHI-A-2008-0129-02

  30. Sparks, A..H., P.D. Esker, G. Antony, L. Campbell, E.E. Frank, L. Huebel, M.N. Rouse, B.Van Allen, and K.A. Garrett, 2008. Ecology and epidemiology in R: Introduction to spatial analysis. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2008-0129-03.

  31. Vaillancourt, L.J., and Hartman, J.R. 2000. Apple scab. The Plant Health Instructor. DOI:10.1094/PHI-I-2000-1005-01. Updated, 2005.

  32. Yan, W., and Hunt, L.A. 1999. An equation for modeling the temperature response of plants using only the cardinal temperatures. Annals of Botany 84: 607-614.

  33. Yuen, J. 2006. Deriving decision rules. The Plant Health Instructor. DOI: 10.1094/PHI-A-2006-0517-01.

  34. Yin, X., Kropff, M.J., McLaren, G., and Visperas, R.M. 1995. A nonlinear model for crop development as a function of temperature. Agricultural and Forest Meteorology 77: 1-16.