I’m a beginner user of R and I’ve a problem with permutations that I don’t know how to solve. I’ve 12 elements in blocks of 3 elements and I want only to make permutations inter-blocks (no intra-blocks) (sorry if the terminology is not accurate), something similar to:
1 2 3 | 4 5 6 | 7 8 9 | 10 11 12 ----------1st permutation
1 3 2 | 4 5 6 | 7 8 9 | 10 11 12 NO
- -
3 2 1 | 4 5 6 | 7 8 9 | 10 11 12 NO
- - -
1 2 4 | 3 5 6 | 7 8 9 | 10 11 12 YES-----2nd permutation
- -
4 5 6 | 1 2 3 | 7 8 9 | 10 11 12 YES-----3rd permutation
- - - - - -
4 5 6 | 2 1 3 | 7 8 9 | 10 11 12 NO
- -
....Thanks for your time,
Jordi Altirriba Ph D student
Hospital Clinic – Barcelona - Spain
MSN Motor. http://motor.msn.es/researchcentre/
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