Selective Statistical and Mathematical Glossary
 Barycentric Coordinates

 Brinley Plots
Quantilequantile plots, usually empirically obtained from data from two samples of the same size from a younger and an older population of subjects. The data in each group is ordered and the rth smallest value in Sample_{1} is plotted against the rth smallest value in Sample_{2}. Additive and Multiplicative relationships can be read from the slope and/or intercept of these plots.
 Hartley Entropy
 For a probability distribution on a finite set of events this is the logarithm of the number events with positive probability.
 Part correlation
 Partial correlation
 Partial residuals
 ROC or Receiver Operating Characteristic
This is a term derived from SignalDetectionTheory and relates the tradeoff between Hits (or Correct Positives) and False Alarms (or False Positives) when using a decision criterion based on the value of a measure.
 Triangular Coordinates
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These pages are maintained by Ian NimmoSmith and Peter Watson
[Last updated on 20 October, 2005]