FixedNumberParam-class | R Documentation |
The FixedNumberParam is a virtual subclass of the BlusterParam class.
It causes clusterRows
to dispatch to clustering algorithms that rely on a pre-specified number of clusters, e.g., KmeansParam.
centers(x, n=NULL)
will return the specified number of centers in a FixedNumberParam x
.
This can be an positive integer, or a function that accepts the number of observations and returns a positive number.
If a function and n
is supplied, the function is called on n
and the result is rounded to obtain an integer.
centers(x) <- value
will replace the specified number of centers in x
with an integer scalar or function value
.
The function should accept a single argument and return a positive integer.
Aaron Lun
KmeansParam, for the archetypal example of a concrete subclass.
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