[Analogue-commits] r413 - in pkg: . R inst

[noreply at r-forge.r-project.org]

Author: gsimpson
Date: 2014-04-15 22:07:50 +0200 (Tue, 15 Apr 2014)
New Revision: 413

Modified:
   pkg/DESCRIPTION
   pkg/R/roc.R
   pkg/inst/ChangeLog
Log:
fix bug in AUC calculation; bump to 0.13-5

Modified: pkg/DESCRIPTION
===================================================================
--- pkg/DESCRIPTION	2014-02-14 23:07:08 UTC (rev 412)
+++ pkg/DESCRIPTION	2014-04-15 20:07:50 UTC (rev 413)
@@ -1,7 +1,7 @@
 Package: analogue
 Type: Package
 Title: Analogue and weighted averaging methods for palaeoecology
-Version: 0.13-4
+Version: 0.13-5
 Date: $Date$
 Depends: R (>= 2.15.0), vegan (>= 1.17-12), lattice, rgl
 Imports: mgcv, MASS, stats, graphics, grid, brglm, princurve

Modified: pkg/R/roc.R
===================================================================
--- pkg/R/roc.R	2014-02-14 23:07:08 UTC (rev 412)
+++ pkg/R/roc.R	2014-04-15 20:07:50 UTC (rev 413)
@@ -37,7 +37,7 @@
         optimal <- as.numeric(names(max.roc <- which.max(roc.values)))
         names(FPE) <- names(TPF) <- names(roc.values) <- NULL
         wilcox <- wilcox.test(IN, OUT, conf.int = FALSE)
-        AUC <- 1 - (wilcox$statistic / (n.OUT * n.OUT))
+        AUC <- 1 - (wilcox$statistic / (n.IN * n.OUT))
         AUC2 <- AUC^2
         q1 <- AUC / (2-AUC)
         q2 <- (2 * AUC2) / (1 + AUC)

Modified: pkg/inst/ChangeLog
===================================================================
--- pkg/inst/ChangeLog	2014-02-14 23:07:08 UTC (rev 412)
+++ pkg/inst/ChangeLog	2014-04-15 20:07:50 UTC (rev 413)
@@ -1,5 +1,9 @@
 analogue Change Log
 
+Version 0.13-5
+
+	* roc: fix a bug in the computation of AUC from the U statistic.
+
 Version 0.13-4 13 Feb 2014
 
 	* crossval.pcr: Fixed a number of bugs in the method for PCR