annotate tests/pointset_test/lshRho.m @ 554:600b87550b83

Improve the behaviour of the RDF example a little bit.

Automatically create the database if it doesn't exist yet.

Write a little explanatory comment about how we could be cleverer.

function Rho = lshRho(w,c)
if nargin<2, c=1;end
if nargin<1, w=4;end

P1 = lshP(w,1);
P2 = lshP(w,c);

Rho = log(1./P1) ./ log(1./P2);

endfunction