[R] Odp: array loop

Petr PIKAL petr.pikal at precheza.cz
Tue Jul 31 10:40:24 CEST 2007


as you say that the computing is part of a function than the best way to 
see what is hapenning is to use


see ?debug for options.


petr.pikal at precheza.cz

r-help-bounces at stat.math.ethz.ch napsal dne 31.07.2007 00:11:00:

> Dear all,
> here are two arrays: region(26,31,8), nation(8)
> I tried to get a new array, say, giGi(26,31,8)
> giGi <- array(0,dim = c(region_dim))
> for (i in (1:region_dim[3]))
> {
> giGi[,,i] = region[,,i]-nation[,i]
> }
> As the above is part of function, but results shows only giGi[,,1] has 
> right answers, all the others (giGi[,,2],..giGi[..8]) are zeros. I have
> checked array of region and nation, they are not zeros at all....
> when I do manually, it is not the case, giGi has meanful numbers.
> can some one tell me the trick in this process??
> Many thanks in advance.
> Dong
>    [[alternative HTML version deleted]]
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