Hallo
Is there an elegant way to do the following:
Dataset consists of 2 variables: var1: some measurements, and var2: a grouping
variable with two values, 1 and 2.
There are (say) 10 measurements from group 1 and 15 measurements from group 2.
The idea is to study the permutation distribution of mean(group 1) *
mean(group2).
One way would be to permute 1s and 2s and select the corresponding
measurements; calculate the difference in means.
Redo this 1000 times, say. Etc.
Any help is much appreciated.
Thanks
Jacob
Jacob L van Wyk
Department of Statistics
University of Johannesburg, APK
P O Box 524
Auckland Park 2006
South Africa
Tel: +27 11 489 3080
Fax: +27 11 489 2832
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