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euclidian
2004 Dec 15
3
Massive clustering job?
...00 rows (and ~900
million pairs of distances). As an example of how fast I can group, the
above query took 0.13 seconds in mysql (using an index over every element
in the vector). However, if I tried to calculate a distance between every
pair of non identical vectors (lets say I can calculate ~1000 eutlidian
distances per second) it would take me ~10 days just to calculate the
distance matrix.
Sorry for all the information. Any suggestions on how to cluster such a
huge dataset (using R) would be appreciated.
Cheers,
Dan.