diff --git a/datasets/compress.sh b/datasets/compress.sh
index c24b800..53f7ea5 100755
--- a/datasets/compress.sh
+++ b/datasets/compress.sh
@@ -4,6 +4,7 @@ filenames=( $(ls job_codings_v3*.csv) )
 filenames=( ${filenames[@]} "clustering_progress.csv" )
 filenames=( ${filenames[@]} $(ls job_metadata*.csv) )
 filenames=( ${filenames[@]} $( ls job_similarities_*.csv ) )
+filenames=( ${filenames[@]} $( ls sim_computation_times_*.csv ) )
 
 echo "${filenames[*]}"
 
diff --git a/datasets/decompress.sh b/datasets/decompress.sh
index f95631e..7607bab 100755
--- a/datasets/decompress.sh
+++ b/datasets/decompress.sh
@@ -19,6 +19,6 @@ for source_filename in ${source_filenames[@]}; do
 		echo "Decompressing ${source_filename}"
 		tar -xJf "${source_filename}" 
 	else
-		echo "Skipping ${source_filename}"
+		echo "Skipping decompression of ${source_filename}"
 	fi
 done
diff --git a/datasets/sim_computation_times_4296426.csv.tar.xz b/datasets/sim_computation_times_4296426.csv.tar.xz
index 8d2804c..00a7486 100644
Binary files a/datasets/sim_computation_times_4296426.csv.tar.xz and b/datasets/sim_computation_times_4296426.csv.tar.xz differ
diff --git a/datasets/sim_computation_times_5024292.csv.tar.xz b/datasets/sim_computation_times_5024292.csv.tar.xz
index c137eb3..66d09ab 100644
Binary files a/datasets/sim_computation_times_5024292.csv.tar.xz and b/datasets/sim_computation_times_5024292.csv.tar.xz differ
diff --git a/datasets/sim_computation_times_7488914.csv.tar.xz b/datasets/sim_computation_times_7488914.csv.tar.xz
index 6f30694..ad6a225 100644
Binary files a/datasets/sim_computation_times_7488914.csv.tar.xz and b/datasets/sim_computation_times_7488914.csv.tar.xz differ
diff --git a/scripts/analyse-all.sh b/scripts/analyse-all.sh
index 26767dd..80d32a7 100755
--- a/scripts/analyse-all.sh
+++ b/scripts/analyse-all.sh
@@ -12,11 +12,14 @@ function prepare(){
   popd
 
   for I in datasets/*.csv ; do
-    ln -s $I
+		if [ ! -e $(basename $I) ]; then
+			echo "Creating symlink $(basename $I)"
+			ln -s $I
+		fi
   done
 }
 
-# prepare
+prepare
 
 for I in job_similarities_*.csv ; do
   rm *.png *.pdf