search for: gradnm

...kage: ? M7.W<-nlme(model= RW ~ (R*(RPrevYear/K)^m)*ns(Year,4)*exp(m*((1-RPrevYear^2/K^2)/2)), data=data, fixed=R+K+m~1, random= R+K~1|IDPlot, start= c(R=3, K=90, m=0.1), correlation=corARMA(p=2, q=0, form= ~Year)) ? All of them give the same error-message: ? Error in X[, fmap[[nm]]] <- gradnm : ? number of items to replace is not a multiple of replacement length ? Am I using the ns() function wrongly or should I use another function? ? Thanks for any hints, ? Ellen, Msc student, KULeuven, Belgium