Description Usage Arguments Details Author(s) Examples
Computes the classic PCNM by the principal coordinate analysis of a truncated distance matrix, but for a one-dimensional process.
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x |
an R object. For |
... |
additional arguments passed to other methods or on to
|
threshold |
numeric; threshold beyond which the temporal
separation of smaples is considered equal. The default if no value
is supplied is to find the largest temporal separation between any
two points. Separations greater than the threshold are given a
notional separation of 4 times |
distfun |
function or character string naming a function that
will be used to compute the temporal seperation between samples.
Defaults to |
digits |
numeric; number of digits to display in output. |
choices |
numeric; vector indicating which eigenfunctions to return. |
The default distance coefficient used to compute
temporal separation is the Euclidean distance. If you want to use
a different coefficient, you can supply a suitable function to
argument distfun
. This should be a function that returns an
object of class "dist"
or a square symmetric matrix that can
be coerced to one. Arguments can be passed to distfun
via
....
Gavin L. Simpson
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