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2007 Mar 28
0
nlsystemfit: Errors with reproducing the manual example
...ed from data ( position 3 ) : ba cr dbh dg elev hg smi tht Error in array(x, c(length(x), 1), if (!is.null(names(x))) list(names(x), : dim<- : invalid first argument / 2) When I try to do something similar on my own data (called R_manuf and containing 3 columns named va98, ts98 and gom98) with the code library(systemfit) dati <- read.table("R_manuf",header=T,na.strings="nan") attach(dati) y1 <- va98/ts98 - 1; y2 <- gom98 - va98; eq1.formula <- y1.98 ~ a1*ts98^(b1-1) ; eq2.formula <- y2.98 ~ a2*ts98^b2 ; labels <- lis...