Description Usage Arguments Details Value Examples
Generate bootstrap replicates of the results of applying a “base” clustering algorithm to a given data set.
1 2 3 
x 
the data set of objects to be clustered, as appropriate for the base clustering algorithm. 
B 
an integer giving the number of bootstrap replicates. 
k 

algorithm 
a character string or function specifying the base clustering algorithm. 
parameters 
a named list of additional arguments to be passed to the base algorithm. 
resample 
a logical indicating whether the data should be
resampled in addition to “sampling from the algorithm”.
If resampling is used, the class memberships of the objects given in

This is a rather simpleminded function with limited applicability,
and mostly useful for studying the effect of (uncontrolled) random
initializations of fixedpoint partitioning algorithms such as
kmeans
or cmeans
, see the
examples. To study the effect of varying control parameters or
explicitly providing random starting values, the respective cluster
ensemble has to be generated explicitly (most conveniently by using
replicate
to create a list lst
of suitable
instances of clusterings obtained by the base algorithm, and using
cl_ensemble(list = lst)
to create the ensemble).
A cluster ensemble of length B, with either (if resampling is not used, default) the results of running the base algorithm on the given data set, or (if resampling is used) the memberships for the given data predicted from the results of running the base algorithm on bootstrap samples of the data.
1 2 3 4 5 6 
Min. 1st Qu. Median Mean 3rd Qu. Max.
0.000 5.099 25.020 18.020 30.692 30.887
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