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Glossary
Spearman Rank Order
correlation coefficient
A nonparametric (distribution-free) rank statistic proposed by
Spearman in 1904 as a measure of the strength of the associations
between two variables. It is used in RiskyProject to estimate which
task duration, risk, task start date, task cost, risk, etc. affects
project duration, finish time, cost success rate the most. Complete
results of calculation in form of chart are presented in Sensitivity
View. See Lehmann, E.L. and D'Abrera, H.J.M. Nonparametrics:
Statistical Methods Based on Ranks, rev. ed. Englewood Cliffs, NJ:
Prentice-Hall, pp.292, 300, and 323, 1998.
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