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Gapping

Author(s):
Wainer, Howard
Publication Year:
1981
Report Number:
RR-81-17, PSRTR-81-11
Source:
ETS Research Report
Document Type:
Report
Page Count:
7
Subject/Key Words:
Data Analysis, Statistical Analysis

Abstract

Gapping is statistical technique for finding unusual spaces or 'gaps' in univariate data strings. It stems from the notion that we expect to find data distributions relatively dense in the middle and relatively sparse in the extremes. This essay describes this method and gives approximate rules for determining an unusually large gap from one of normally observed size. (7pp.)

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