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2 messages · glenn, Dimitris Rizopoulos
do you mean: combn(12, 4) Best, Dimitris
glenn wrote:
Very quick one please team; How do I return the number of possible unique subsets in a data set (not combinations i.e. not (1,2,3,4) and (4,3,2,1)) please ? e.g. In a list of integers 1 to 12, there is 495 sets with 4 elements in regards glenn [[alternative HTML version deleted]]
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Dimitris Rizopoulos Assistant Professor Department of Biostatistics Erasmus Medical Center Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands Tel: +31/(0)10/7043478 Fax: +31/(0)10/7043014