You need to sample pairs rather than sampling individually within Xvar
and Yvar. You also generally sample with replacement. If you sample
without replacement for the length of the data, then you just get the
same set.
On Apr 21, 2009, at 3:54 AM, skayis selcuk wrote:
<Data_and_Sampling_codes.txt>
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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