From a95cfc6c5e88f44429319b52462b537ae0bc1857 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Favio=20Andr=C3=A9=20V=C3=A1zquez?=
 <favio.vazquezp@gmail.com>
Date: Mon, 11 Sep 2017 08:49:03 -0500
Subject: [PATCH] Fix doc for MAE

---
 docs/mllib-evaluation-metrics.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/mllib-evaluation-metrics.md b/docs/mllib-evaluation-metrics.md
index ac82f43cfb79..7f277543d2e9 100644
--- a/docs/mllib-evaluation-metrics.md
+++ b/docs/mllib-evaluation-metrics.md
@@ -549,7 +549,7 @@ variable from a number of independent variables.
     </tr>
     <tr>
       <td>Mean Absolute Error (MAE)</td>
-      <td>$MAE=\sum_{i=0}^{N-1} \left|\mathbf{y}_i - \hat{\mathbf{y}}_i\right|$</td>
+      <td>$MAE=\frac{1}{N}\sum_{i=0}^{N-1} \left|\mathbf{y}_i - \hat{\mathbf{y}}_i\right|$</td>
     </tr>
     <tr>
       <td>Coefficient of Determination $(R^2)$</td>