rank(redirected from keeping rank)
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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.
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.