search for: qcovar

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2004 Apr 07
1
ZIB models
...and landscape variables, which I've been testing in smaller groups. > zib.out<-obs.error(y=painted,m=numvis,bp=zvars,pcovar=7) I get the following error message, with all species, all variable groups, standardized and unstandardized data... Error in optim(par = rnorm(pcovar + qcovar), fn = obs.error.LL, method = "L-BFGS-B", : L-BFGS-B needs finite values of fn I have a large sample size, so we're not sure that this is related to a convergence problem, but we can't figure out what this error means. Thank you, Carol Carol Rizkalla D...