Displaying 1 result from an estimated 1 matches for "growthresumo".
2005 May 26
1
aggregate and stack
Dear All,
I have tried to calculate tree mean growth but I think the structure I used below (growthresumo) is not the most elegant, even though it worked. The only problem I had in this first part was that I cannot use 'summary', just 'mean' (sorry but 'R' is pretty new for me).
>growthresumo <- aggregate(growth[,c(16,19,23,27,31,35,39,43,47,52,56,60,64,68,72,76,81,85,89...