Tag: AUC

Statistical Notes (1): Geometric Mean and Geometric Mean Ratio

Programmers Need to Learn Statistics Or I will Kill Them All –Zed A. Shaw Just read since SAS 9.2, the TTEST procedure also natively supports Equivalence Test by simply adding a TOST option (Two one-sided tests). In a example, TTEST procedure reports a geometric mean as 0.9412, which is the geometric mean of a ratio, […]

Trapezoidal Rule

TAD (Time Average Difference) is area under the curve (AUC).Trapezoidal RuleUsing Trapezoidal Rule for the Area Under a Curve CalculationEstimate the Area Under a ROC CurveSAS Calculations of AUC for Multiple Metabolic ReadingsSAS Macro to Calculate AU…

AUC calculation using Wilcoxon Rank Sum Test

Accurately Calculate AUC (Area Under the Curve) in SAS for a binary classifier rank ordered data

In order to calculate AUC for a given SAS data set that is already rank ordered by a binary classifier (such as linear logistic regression), where we h…