R help - Apr 2013 - how to measure similarity between vectors of different length

Dear R-People,

I am trying to measure distances between an empiric vector and two random
vectors.

Since one of the synthetic vectors has different length from the empirical
one, I tried to introduce 0s to make all vectors have the same length, but
this introduces a bias in the measurement.

Since I have a lot of simulations of the two random vectors and I can
boxplot them, I am thinking about this solution: calculate how many points
of the empirical vector is in each boxplot area, where 0 means that no
empirical point is matched, and 1 means that every empirical point has been
captured by each random vectors.

I am not a statistician, and I think that this solution may already have
been implemented in R, but I do not know where to search for this, so I do
welcome every suggestion/advice you might give me.

Best regards,
Simone

-- 
Simone Gabbriellini, PhD

PostDoc@DISI, University of Bologna
mobile: +39 340 39 75 626
email: simone.gabbriellini@unibo.it
academia.edu: http://goo.gl/7pq62

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