[R] Nonlinear regression and categories

Jonathan Greenberg greenberg at ucdavis.edu
Sat Nov 9 18:47:27 CET 2002

Hi there:

    I'm trying to run a large number of nonlinear regressions on a time
series dataset, where the data will be formatted something to the effect of:


I'll have a number of time and dependentvars for each observation, and I
want to apply a nonlinear regression to one ObservationID at a time, and I
want to have a dataset that is the parameter estimates of the equation for
each observation (as opposed to running them one at a time -- I have several
million I need to do).  Is there a way to get R to run a nonlinear
regression based on the above or similar data structure, and return a
database of ObservationID, parameter1, parameter2, parameter3 for each



Jonathan Greenberg
Graduate Group in Ecology, U.C. Davis
AIM: jgrn307 or jgrn3007
MSN: jgrn307 at msn.com or jgrn3007 at msn.com

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