R Under development (unstable) (2025-02-26 r87830 ucrt) -- "Unsuffered Consequences"
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> library("flexclust")
> 
> ## make sure bootFlexclust works also for only one number of clusters
> data(Nclus)
> b <- bootFlexclust(Nclus, 3, nboot=10, multicore=FALSE)
> print(b)
An object of class 'bootFlexclust' 

Call:
bootFlexclust(x = Nclus, k = 3, nboot = 10, multicore = FALSE)

Number of bootstrap pairs: 10 
> summary(b)
Call:
bootFlexclust(x = Nclus, k = 3, nboot = 10, multicore = FALSE)

Summary of Rand Indices:
       3         
 Min.   :0.4227  
 1st Qu.:0.4858  
 Median :0.9749  
 Mean   :0.7807  
 3rd Qu.:0.9923  
 Max.   :1.0000  
> 
> pdf("boot.pdf")
> plot(b)
> densityplot(b)
> dev.off()
null device 
          1 
> 
> proc.time()
   user  system elapsed 
   0.73    0.06    0.78