diff --git a/.travis.yml b/.travis.yml
index 9a0dae6aa90d723cc09f977781c4a77fb1e380d2..0420890a930ab11ac3dab18ef81e4e459fcf9341 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,9 +22,14 @@ before_install:
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi 
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install homebrew/science/root; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install homebrew/science/geant4; fi    
+
   # Dumping stuff for check
   - root-config --version
 
+  # Install NPData needed to run examples suite
+  - cd $NPTOOL
+  - git clone https://github.com/adrien-matta/NPData
+
 install:
 
 script:
diff --git a/Examples/Example1/Example1_Simu.root b/Examples/Example1/Example1_Simu.root
deleted file mode 100644
index 0351d72d06e27b98db4b741856a63921da12cbda..0000000000000000000000000000000000000000
Binary files a/Examples/Example1/Example1_Simu.root and /dev/null differ
diff --git a/Examples/Example2/Example2_Simu.root b/Examples/Example2/Example2_Simu.root
deleted file mode 100644
index 3c6c943a67459a7665f71c2b03873773bbda39f6..0000000000000000000000000000000000000000
Binary files a/Examples/Example2/Example2_Simu.root and /dev/null differ
diff --git a/NPLib/scripts/test/basic.sh b/NPLib/scripts/test/basic.sh
index 7b5b173aea472cf9da3b3d838260a6c7312eaa0c..7dc4c1345194937ae45326643d7539acb9fd96ad 100755
--- a/NPLib/scripts/test/basic.sh
+++ b/NPLib/scripts/test/basic.sh
@@ -3,10 +3,16 @@
 # exit on error, and verbose
 set -ev
 
-# can run the app
+#####################################################################
+# Test that npanalylsis can run
+#####################################################################
 npanalysis -h
 
-# Compile Example1 
+
+#####################################################################
+# Example 1
+#####################################################################
+# Compile
 cd $NPTOOL/Examples/Example1
 cmake ./
 if [ -e Makefile ] 
@@ -15,12 +21,28 @@ then
 else
   ninja
 fi
-# Moving reference test simulation
-cp $NPTOOL/Examples/Example1/Example1_Simu.root $NPTOOL/Outputs/Simulation/Example1.root
-npanalysis -R RunToTreat.txt -O Example1
 
-echo ".q" | root -b -l ShowResult.cxx
+# Check whether simulation file exist or not
+if [ -e $NPTOOL/NPData/Example1_Simu.root ] 
+then
+   # Moving reference simulation file to Outputs directory
+   cp $NPTOOL/NPData/Example1_Simu.root $NPTOOL/Outputs/Simulation/Example1.root
+   # Run npanalysis
+   npanalysis -R RunToTreat.txt -O Example1
+   # Run the ShowResult ROOT macro
+   echo ".q" | root -b -l ShowResult.cxx
+else
+   # Case where reference simulation file does not exist
+   echo "Warning!!! file $NPTOOL/NPData/Example1_Simu.root does not exist"
+   echo "Go to the $NPTOOL directory and install it using the following"
+   echo "command:"
+   echo "git clone https://github.com/adrien-matta/NPData"
+fi
+
 
+#####################################################################
+# Example 2
+#####################################################################
 # Compile Example2
 cd $NPTOOL/Examples/Example2
 cmake ./
@@ -30,7 +52,20 @@ then
 else
   ninja
 fi
-cp $NPTOOL/Examples/Example2/Example2_Simu.root $NPTOOL/Outputs/Simulation/Example2.root
-npanalysis -R RunToTreat.txt -O Example2
-echo ".q" | root -b -l ShowResult.cxx
 
+# Check whether simulation file exist or not
+if [ -e $NPTOOL/NPData/Example2_Simu.root ] 
+then
+   # Moving reference simulation file to Outputs directory
+   cp $NPTOOL/NPData/Example2_Simu.root $NPTOOL/Outputs/Simulation/Example2.root
+   # Run npanalysis
+   npanalysis -R RunToTreat.txt -O Example2
+   # Run the ShowResult ROOT macro
+   echo ".q" | root -b -l ShowResult.cxx
+else
+   # Case where reference simulation file does not exist
+   echo "Warning!!! file $NPTOOL/NPData/Example1_Simu.root does not exist"
+   echo "Go to the $NPTOOL directory and install it using the following"
+   echo "command:"
+   echo "git clone https://github.com/adrien-matta/NPData"
+fi