bolzano: Added command to make all labels equal - for an example of a worst case experiment.

bolzano-address-trees/download_prepare.sh

@@ -29,5 +29,9 @@ iconv -f ISO-8859-1 -t "UTF-8" L.trees | tail -n +14   | sed 's/.*://' | awk '{p
 #     convert file into UTF-8 format   | remove header |  remove IDs   | sort by number of nodes (equivalent to number of "{")
 iconv -f ISO-8859-1 -t "UTF-8" R.trees | tail -n +14   | sed 's/.*://' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../R_preprocessed.txt
 
+# prepare dataset with a single label
+#                         | remove non-bracket chars. | add single dummy label 'o' > save to file
+cat ../L_preprocessed.txt | sed 's/[^\{\}]//g'        | sed 's/[\{]/\{o/g'         > ../L_preprocessed_single_label.txt
+
 # go back to the folder
 cd ..
\ No newline at end of file