permute | R Documentation |
Permutes the matricized (n
x
m
x
p
) array X
to the
matricized array Y
of order (m
x
p
x
n
).
permute(X,n,m,p)
X |
Matrix (or data.frame coerced to a matrix) containing the matricized array |
n |
Number of |
m |
Number of |
p |
Number of |
Y |
Matrix containing the permuted matricized array |
H.A.L. Kiers (2000). Towards a standardized notation and terminology in multiway analysis. Journal of Chemometrics 14:105–122.
X <- array(1:24, c(4,3,2))
dim(X)
## matricize the array
Xa <- unfold(X) # matricized X with the A-mode entities in its rows
dim(Xa)
Xa
## matricized X with the B-mode entities in its rows
Xb <- permute(Xa, 4, 3, 2)
dim(Xb)
Xb
## matricized X with the C-mode entities in its rows
Xc <- permute(Xb, 3, 2, 4)
dim(Xc)
Xc
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