vec2tab | R Documentation |
Convert a vector into an array given a set of dimensions; it therefore simply
wraps aperm()
and array()
.
vec2tab(vec, dim)
vec |
A vector |
dim |
The desired array dimensions, oftentimes a vector of the number of levels of each variable in order |
This function converts an array (or a multi-way contingency table) into a vector, using a consistent ordering of the cells. The ordering of the cells is lexicographic and cannot be specified by the user.
An array
tab2vec()
, aperm()
, array()
data(Titanic)
str( Titanic )
str( tab2vec(Titanic) )
# convert it back into a table (names are removed)
vec2tab(
tab2vec(Titanic),
dim(Titanic)
)
# check that they are the same
all( vec2tab(tab2vec(Titanic), dim(Titanic)) == Titanic )
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