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spline
2010 Mar 12
1
Usage of apply function with two matrices
...and matrix V, which both have 3 columns and I want to
create a spline function basing on coordinates from this matrices (more
precisely coordinates of function nr 1: x are taken from Vf[,1] and y are
taken from V[,1] respectively), because function apply() base on 1 argument
I made it in this way:
Vspline<-matrix(0,nrow=2*n,ncol=K)
Vspline<-rbind(Vf[,1:3],V[,1:3])
where n=5000 and it is number of rows in V and Vf matrices
and then:
FV<-apply(Vspline,2, function(z)
splinefun(Vspline[1:n,z],Vspline[(n+1):(2*n),z], method="mono",ties=mean))
The problems is, that when I am running...