euc.vector | R Documentation |
Ordinarily, a binary fingerprint can be considered to represent a corner of a nD hypercube. However in many cases using such a representation can lead to a very sparse space. Consequently one approach is to convert the fingerprint so that it represents points on a nD unit hypersphere.
The resultant fingerprint is then a nD coordinate.
euc.vector(fp)
fp |
An object of class |
A numeric of length equal to the bit length of the fingerprint. The result corresponds to a unit vector for a point on the nD hypersphere
Rajarshi Guha rguha@indiana.edu
# make a fingerprint vector fp <- new("fingerprint", nbit=8, bits=c(1,3,4,5,7)) vec <- euc.vector(fp)
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