Re: Definition of the similarity in a set of integers
- To: mathgroup at smc.vnet.net
- Subject: [mg96449] Re: [mg96380] Definition of the similarity in a set of integers
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Fri, 13 Feb 2009 03:48:44 -0500 (EST)
- Reply-to: hanlonr at cox.net
One of the infinite options: similarity[s1_List, s2_List] := Variance[Abs[s1 - s2]] /; Length[s1] == Length[s2] Bob Hanlon ---- Ryan Markley <overgeo at gmail.com> wrote: ============= Hello I have two sets of integers eg S1 = (25,14,32,45) and S2 = (26,12,31,48) I want to define an operation similar to the variance that give me how similar both sets are, for example in the above example for both sets the results I have to get need to be similar because both sets are similar. The problem with the variance is this S1 = (25,1,1,1) and S2 = (1,1,25,1) these two sets have the same variance but they are completly different. What mathematical operation can I use to do what I am looking for. Thanks a lot in advance. -- Bob Hanlon