From ddc7d6b92ff031bdbf55f393cd0eb6fb5354e1f3 Mon Sep 17 00:00:00 2001
From: Daniel Roberts <danmroberts@gmail.com>
Date: Thu, 25 Aug 2016 18:46:56 -0400
Subject: [PATCH] Corrected calculation of SMSE to use sample variance of
 targets, rather than estimated population variance

---
 code/machine_learning/ml_calcloss.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/machine_learning/ml_calcloss.m b/code/machine_learning/ml_calcloss.m
index 34519b52..b41c504a 100644
--- a/code/machine_learning/ml_calcloss.m
+++ b/code/machine_learning/ml_calcloss.m
@@ -198,7 +198,7 @@
                 case 'sign'
                     measure = mean(sign(Px) ~= sign(Tx));
                 case {'smse'}
-                    measure = mean((Px-Tx).^2) ./ var(Tx);
+                    measure = mean((Px-Tx).^2) ./ mean((Tx - mean(Tx)).^2);
                 case {'max','linf'}
                     measure = max(abs(Px-Tx));
                 case 'rms'