Update index.Rmd

Fix typo

Author: Roon

08_PracticalMachineLearning/025combiningPredictors/index.Rmd

@@ -196,7 +196,7 @@ sqrt(sum((combPredV-validation$wage)^2))
   * Predict the class by majority vote
 * This can get dramatically more complicated
   * Simple blending in caret: [caretEnsemble](https://github.com/zachmayer/caretEnsemble) (use at your own risk!)
-  * Wikipedia [ensemlbe learning](http://en.wikipedia.org/wiki/Ensemble_learning)
+  * Wikipedia [ensemble learning](http://en.wikipedia.org/wiki/Ensemble_learning)
 
 ---
 
@@ -207,4 +207,4 @@ sqrt(sum((combPredV-validation$wage)^2))
 
 [http://www.techdirt.com/blog/innovation/articles/20120409/03412518422/](http://www.techdirt.com/blog/innovation/articles/20120409/03412518422/)
 
-[http://techblog.netflix.com/2012/04/netflix-recommendations-beyond-5-stars.html](http://techblog.netflix.com/2012/04/netflix-recommendations-beyond-5-stars.html)
+[http://techblog.netflix.com/2012/04/netflix-recommendations-beyond-5-stars.html](http://techblog.netflix.com/2012/04/netflix-recommendations-beyond-5-stars.html)