Updated link to ML slides

Author: amelgh

3.Day3.md

@@ -72,7 +72,7 @@
 
 ## Introduction to Machine Learning
 
-The **slides** of the talk are available [**here**](https://raw.githubusercontent.com/fpsom/CODATA-RDA-Advanced-Bioinformatics-2018/master/files/slides/Introduction_to_ML_AdvancedBioinfoCourse_Trieste2018_AG.pdf).
+The **slides** of the talk are available [**here**](https://github.com/fpsom/CODATA-RDA-Advanced-Bioinformatics-2019/blob/master/files/slides/IntroML_Trieste19.pdf).
 
 ## Let's start doing some clustering on the IRIS dataset
 To check all the R Built-in data sets, you can use the command: