R function for Gap statistic

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R function for Gap statistic

N. Goodacre
Dear All,

I need to calculate the optimal number of clusters for a classification
based on a large number of observations (tens of thousands). Thibshirani et
al. proposed the gap statistic for this purpose. Is any R code or fucntion
available for this? Any help would be appreciated, including suggestions
about other alternatives for the selection of an optimal number of cluster
from large datasets.

Thanks,

 Norman Goodacre

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