Hi, > [mailto:[EMAIL PROTECTED] On Behalf Of Robert Mcfadden > > Does R have any build-in function which allow me to count > second partial > derivatives numerically?
library(nlme) ?fdHess I hope this is the direction you wanted to take. Best, Roland ---------- This mail has been sent through the MPI for Demographic Rese...{{dropped}} ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html