adjusted add_noise_to_array to make the scale 0 to 1 more intuitive

noverney · Oct 29, 2023 · 1b3d287 · 1b3d287
1 parent 7f0868b
commit 1b3d287
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Showing 2 changed files with 291 additions and 229 deletions.
diff --git a/functions/matching_users.py b/functions/matching_users.py
@@ -27,15 +27,15 @@ def add_noise_to_array(arr, noise_factor):
     elif noise_factor == 0:
         return arr
     noise = np.random.uniform(0, noise_factor, arr.shape)
-    noisy_array = arr + noise
-    noisy_array = np.clip(noisy_array, 0, 1)
+    noise = (noise + noise.T) / 2
+    noisy_array = arr*(1-noise_factor) + noise
     return noisy_array
 
 def get_preference_lists(user_ids, preference_matrix):
     check_input(user_ids, preference_matrix)
 
     user_preferences = cosine_similarity(preference_matrix)
-    user_preferences = add_noise_to_array(user_preferences, 0) # ADJUST NOISE HERE
+    user_preferences = add_noise_to_array(user_preferences, 1) # ADJUST NOISE HERE
 
     get_sorted_list = get_sorted_list_func(user_ids, user_preferences)
     return [get_sorted_list(user_index) for user_index in range(len(user_ids))]