If only two sets are selected, the order of selection is preserved.
The statistic incorporates not only which resource was selected but also the order of selection.
If more than two sets are selected, the order is the order of selection, so care must be taken when attempting to create a difference set of more than two sets.
In mathematics, a combination is a way of selecting members from a grouping, such that the order of selection does not matter unlike permutations.
The remaining 100, in their original order of selection, served as a reserve in the event that those selected could not be located or refused interview.
Then, according to the order of selection, post positions were chosen.
The draw was conducted in two tiers: First, an order of selection was established by lot.
This selection of subsets is called a permutation when the order of selection is a factor, a combination when order is not a factor.
In an adjustment to the two-tiered draw for the mile-and-a-quarter Derby, the order of selection was pulled in a blind draw in the morning instead of during a national telecast of the draw at 5 p.m.
For "Synapsis Shuffle" he asked a group that included Mike Ovitz, Martha Stewart, Merce Cunningham and Mathilda Krim to make their own configurations from among 52 new large photo-transfer panels by him, everyone picking lots to establish the order of selection.
