fixed bug in statistics; rename bolzano files to bracket

bolzano-address-trees/download_prepare.sh

@@ -23,15 +23,15 @@ cd original_data
 
 # prepare data for file L.trees
 #     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" L.trees | tail -n +14   | sed 's/.*://' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../L_preprocessed.txt
+iconv -f ISO-8859-1 -t "UTF-8" L.trees | tail -n +14   | sed 's/.*://' | awk '{print gsub("{","{"), $0}' | sort -n  | cut -d' ' -f2- > ../L_preprocessed.bracket
 
 # prepare data for file R.trees
 #     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
+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.bracket
 
 # 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
+cat ../L_preprocessed.txt | sed 's/[^\{\}]//g'        | sed 's/[\{]/\{o/g'         > ../L_preprocessed_single_label.bracket
 
 # go back to the folder
 cd ..
\ No newline at end of file

statistics/statistics.py

@@ -65,8 +65,8 @@ max_tree_size = 0
 with open(args.inputfile) as f:
   # for each tree in the inputfile
   for line in f:
-    # split line by '{' and '}' and remove empty entries at the beginning and end
-    nodes = re.split(r'[{}]+', line.strip())[1:-1]
+    # remove all '}', split line by '{' and remove empty entries at the beginning and end
+    nodes = re.split(r'[{]', re.sub('[\}]', '', line))[1:-1]
     # get tree size
     tree_size = len(nodes)
     # sum to compute average