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Thanks for such a prompt reply, I look forward to giving it a try now.
David & Vitaly, Thank you very much for your suggestions, I have been using David's solution in the above post. Unfortunately, the solution proposed by Vitaly below was taking far too long given that I have datasets that are approx 21000000 points...
Hi everybody, I am an Undergraduate student, studying Mathematics & Statistics at the University of Warwick. I have used Wolfram Mathematica for nearly 2 years now, and am currently participating in the Wolfram Summer Science School 2014.