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 ?
I decided then I would break ranks with Howard Berman, who I have supported for over 30 years, and back De Lear.
S&N's decision to break ranks from the rest of the drinks industry may cause surprise, particularly as its targets ( Asda, Morrisons, Sainsburys and Tesco ( are some of its biggest customers.
The more people who are watching, the less likely it is that one individual will break ranks and get involved.
Whitchurch and Tongwynlais councillor Brian Griffiths, who chairs the council's public protection committee, has been warned not to break ranks again.
While none of them supports the Federal Marriage Amendment--not to my face, at least--none of them is willing to break ranks with the Republican Party over it either.
If there is a strike, the Rb URGES buildings not to break ranks by capitulating to union pressure, or by signing 'you too' agreements that representatives of the union may offer.