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...has built-in codes for nonpara. bivariate regression so that I can estimate the joint distribution of two variables as a function of some covariates? Thanks a lot. --------------------------------------------------- Ximing Wu Department of Economics University of Guelph Guelph, Ontario, Canada, N1G 2W1 Tel: (519) 842-4120, ext 53014 Fax: (519) 763-8497 email: xiwu at uoguelph.ca Webpage: http://www.uoguelph.ca/~xiwu/

Dear all, I need to plot an cumulative distribution plot of a variable and then to fit a distribution to that, probably a weibull or lognormal. I have plotted the ecdf as > plot(ecdf(x)) but I haven't managed to fit the distribution. I have as well attached the data. I would appreciate if you could help me on that. Thank you. Kind regards Maria -------------- next part --------------

...for successes/failures since the ORs are all adjusted for various factors.] Thanks! Kate Snedeker -- Kate Snedeker, PhD Postdoctoral Fellow Centre for Public Health and Zoonoses & Department of Population Medicine MacNabb House Ontario Veterinary College University of Guelph Guelph, Ontario N1G 2W1 Phone: 519-824-4120 x54471 Fax: 519-766-1730 E-mail: snedeker at uoguelph.ca

...n I turn my R code automatically into C? If yes, how can I do that? Do I benefit by doing it? (I know I can do this in matlab and it increases the speed when there is a lot of looping...) thanks a lot. x.w ------------------------ Ximing Wu Department of Economics University of Guelph Guelph, ON, N1G 2W1 Canada Tel: (519) 824-4120 ext. 53014 Fax: (519) 763-8497 email: xiwu at uoguelph.ca

...to pre-generate a whole set of arrays and matrices to individually store each regression coefficients one at a time. Thank you, Kevin Master of Science Student | University of Guelph Department of Food, Resource and Agricultural Economics J.D. MacLachlan Building - Room 002 Guelph, ON N1G 2W1 Webpage: <http://fare.uoguelph.ca/users/kchang01> http://fare.uoguelph.ca/users/kchang01 Email: <mailto:kchang01@uoguelph.ca> kchang01@uoguelph.ca Mobile: 226-979-2813 [[alternative HTML version deleted]]

...s well optimized as the binary distribution! If I really do need to compile R from scratch, can anyone recommend the appropriate configure flags? many thanks and best regards, Greg. -- Gregory Downs CRSC Room 219/414 Department of Plant Agriculture University of Guelph Guelph, Ontario, Canada, N1G 2W1 519-824-4120 x58164

I have been building an R function to calculate the ***observed*** (as opposed to expected) Fisher information matrix for parameter estimates in a rather complicated setting. I thought I had it working, but I am getting a result which is not positive definite. (One negative eigenvalue. Out of 10.) Is it the case that the observed Fisher information must be positive definite --- thereby

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