I would greatly appreciate if you could let me know why the R does not make
the right computations in the case below.
Waiting for your reply
Jorge Colaço
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> X<-matrix(c(-1,0,1,-1,1,0,
+ 0,0,1,1,1,-1,
+ -1,0,-1,1,0,1,
+ 1,1,-1,-1,0,0,
+ 0,0,1,1,-1,1),nrow=5,ncol=6,byrow=T)
>
mean<-c(mean(X[,1]),mean(X[,2]),mean(X[,3]),mean(X[,4]),mean(X[,5]),mean(X[,6]))
> mean
[1] -0.2 0.2 0.2 0.2 0.2 0.2
> X-mean
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] -0.8 -0.2 0.8 -1.2 0.8 -0.2
[2,] -0.2 0.2 0.8 0.8 0.8 -1.2
[3,] -1.2 -0.2 -0.8 0.8 -0.2 0.8
[4,] 0.8 0.8 -1.2 -0.8 -0.2 -0.2
[5,] -0.2 -0.2 0.8 0.8 -0.8 0.8
>
Right Result Should Be:
ans =
-0.80000 -0.20000 0.80000 -1.20000 0.80000 -0.20000
0.20000 -0.20000 0.80000 0.80000 0.80000 -1.20000
-0.80000 -0.20000 -1.20000 0.80000 -0.20000 0.80000
1.20000 0.80000 -1.20000 -1.20000 -0.20000 -0.20000
0.20000 -0.20000 0.80000 0.80000 -1.20000 0.80000
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