codi net

Mariona-FT · Dec 13, 2023 · 018e994 · 018e994
1 parent 6016b6b
commit 018e994
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Showing 3 changed files with 6 additions and 12 deletions.
diff --git a/lab5/MRMarketBasket1.py b/lab5/MRMarketBasket1.py
@@ -21,8 +21,7 @@ def mapper(self, _, line):
         
         :param line: contains a transaction
         """
-        # Each line is a string a,b,c     
-        # Return pair key, value
+
         trans = line.strip().split(',')
         for i in range(len(trans)):
             for j in range(len(trans)):
@@ -36,7 +35,7 @@ def reducer(self, key, values):
         
         Output should be at least a pair (key, new counting)
         """
-        # Compute reducer here
+
         yield key, sum(values)
 
 

diff --git a/lab5/MRMarketBasket2.py b/lab5/MRMarketBasket2.py
@@ -21,13 +21,10 @@ def mapper(self, _, line):
         
         :param line: contains a transaction
         """
-        # Each line is a string a,b,c
-        trans = line.strip().split(',')
-        # Compute map here
 
+        trans = line.strip().split(',')
         for item in trans:
            yield item, 1
-        # Return pair key, value
 
 
 
@@ -37,7 +34,7 @@ def reducer(self, key, values):
         
         Output should be at least a pair (key, new counting)
         """
-        # Compute reducer here
+
         yield key, sum(values)
 
 

diff --git a/lab5/MRMarketBasketAnalysis.py b/lab5/MRMarketBasketAnalysis.py
@@ -38,7 +38,6 @@
         # Process the results of the script iterating the (key,value) pairs
         for key, value in mr_job1.parse_output(runner1.cat_output()):
             pairs[tuple(key)]=value
-            # You should store things here probably in a data structure
 
 
     mr_job2 = MRMarketBasket2(args=['-r', 'local', args.file,'--num-cores', str(args.ncores)])
@@ -49,7 +48,6 @@
         singles = {}
         for key, value in mr_job2.parse_output(runner2.cat_output()):
             singles[key]=value
-            # You should store things here probably in a data structure
 
     print(f'Time= {(time.time() - tinit)} seconds')
 
@@ -65,14 +63,14 @@
     print("******************************************************************************* ")    
 
     for support, conf in [(0.01,0.01), (0.01,0.25), (0.01,0.5), (0.01,0.75), (0.05,0.25), (0.07,0.25), (0.20,0.25), (0.5,0.25)]:
-            nr = 0  # Inicializar el contador de reglas
+            nr = 0  # Contador de reglas
             for pair, pair_count in pairs.items():
                 item1, item2 = pair
                 if item1 in singles and item2 in singles:
                     sup = pair_count / ntrans
                     confi = pair_count / singles[item1]
                     if sup >= support and confi >= conf:
-                        nr += 1  # Contar la regla si cumple con el soporte y la confianza
+                        nr += 1  # Contar la regla si compleix support i la confidence
 
             print("Support=", str(support), "confidence=", str(conf) + ".", "Rules found", nr, '\n')