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Purpose
Correlation is a measure of the relation between two or more variables.
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Preparations
Run Statistics→Basic Statistics and Tables→Fechner
Correlation.... Results
One of results is Fechner correlation coefficients matrix (r).(rF).
Quantitative indications are used in calculations only.
Correlation cofficient are cimputed as
rF = (C - H) / (C + H)
where
C - number of
coincidences of signs of deviations variant from appropriate average
H - number of distinct signs
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