rank

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rank

(rank),
1. The ordinal position of an observation in the set of observations of which it is a member.
2. To order a set of observations according to their rank.

rank

the place in a series occupied by a value when the series has been set in order according to a particular trait, usually size. Called also order statistic.

rank sum test
nonparametrical statistical test used to compare two methods by seeing if one method contributes more to the higher ranked values.
References in periodicals archive ?
Whitchurch and Tongwynlais councillor Brian Griffiths, who chairs the council's public protection committee, has been warned not to break ranks again.
Time will tell, but where former politicians who have had business experience break ranks (albeit in a retired capacity) with their own party dogma, one cannot but suspect that they are probably right.
He wrote: "The final judgement to make dependent on what the Tories agree today, is how hard to hit them for opportunism if they break ranks.
Mark Butcher has become the first member of England's tour party for the West Indies to break ranks and urge the authorities to learn from their previous mistakes by solving the growing problem over Zimbabwe without involving the players.
Few would dare break ranks with the Democrats and reach out to the Republican Party.
Union leader John Edmonds yesterday became the first to break ranks after the STUC said it wouldn't rock the Labour boat.
According to Madupi, when a boy of about 16 panicked and tried to break ranks, he was shot dead.
Meanwhile, police hope a pounds 1million bounty, put up by "concerned" locals, will tempt one of the Manchester bombers to break ranks and turn in his accomplices.