Update scoring.py

Added function compute_sugeno_rank to compute ranking based only on Sugeno scores

tr_sys/tr_ars/scoring.py

@@ -28,7 +28,7 @@ def compute_from_results(results):
         result['sugeno']=sugeno_score
         result['weighted_mean']=weighted_mean
 
-    final_ranks = compute_sugeno_weighted_mean_rank(sugeno_scores,weighted_means)[2]
+    final_ranks = compute_sugeno_rank(sugeno_scores,weighted_means)
     for i, rank in enumerate(final_ranks):
         #casting to int because some come through as pandas int64
         results[i]["rank"]=int(rank)
@@ -125,3 +125,11 @@ def compute_sugeno_weighted_mean_rank(sugeno_scores, weighted_mean_scores):
                 sugeno_weighted_mean_rank[j] = i + weight_order_copy[idj]
     return sugeno_rank, weighted_mean_rank, sugeno_weighted_mean_rank
 
+'''
+THIS FUNCTION PRODUCES THE RANKING ORDER BASED ON SUGENO SCORES ONLY
+'''
+def compute_sugeno_rank(sugeno_scores):
+    sugeno_sorted = sorted(enumerate(sugeno_scores), key=lambda x: x[1], reverse=True)
+    ranks = {index: rank + 1 for rank, (index, value) in enumerate(sugeno_sorted)}
+    indexed_ranks = [ranks[index] for index in range(len(sugeno_scores))]
+    return indexed_ranks