permutation.

A reordering of elements, or one possible ordered arrangement of those elements.

Use it for

Words that belong together

• permutation of labels
• permutation test

On the page

The permutation of labels preserved the observed values while changing their group assignments.

The permutation test relied on assumptions about which rearrangements were legitimate under the null hypothesis.

Usage notes

Primary category: science / research / methodology. Forms: Singular permutation; plural permutations. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: method specification, measurement critique, model interpretation, qualification. Disciplines: research methods, statistics, experimental design. Commonness: moderately common.