rank correlation 
noun Statistics
An assessment of the degree of correlation between two ways of assigning ranks to the members of a set.We calculated the significance of Spearman rank correlations according to Siegel....
- We calculated the Spearman rank correlation to assess variation in diagnostic threshold.
- Rank correlations and partial rank correlations were conducted as described in Sokal and Rohlf.
- fall by the wayside
- Fall Classic
- fall down
- fallen
- fallen angel
- fallenness
- faller
- fallfish
- fall flat
- fall flat on one's face
- fall for
- fall foul (or afoul) of
- fall from grace
- fall guy
- fallibilism
- fallibilist
- fallibility
- fallible
- fallibly
- fall in
- falling-off
- falling-out
- falling sickness
- falling star
- fall in (or into) line