x
into a low-dimensional
Euclidean space.
embed (x, dimension = 1)
x
.
x[t]
, x[t-1]
, ..., x[t-dimension+1]
, where
t
is the original index of x
. If x
is a matrix,
i.e., x
contains more than one variable, then x[t]
consists of the t
th observation on each variable.