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@@ -29,7 +29,7 @@ if __name__=="__main__":
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user_item_dict[key] = 1
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user_item_dict[key] = 1
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else:
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else:
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user_item_dict[key] = user_item_dict[key]+1
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user_item_dict[key] = user_item_dict[key]+1
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- if items[2] not in item_dict:
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+ if vid not in item_dict:
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item_dict[vid] = 1
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item_dict[vid] = 1
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else:
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else:
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item_dict[vid] = item_dict[vid]+1
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item_dict[vid] = item_dict[vid]+1
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@@ -87,6 +87,8 @@ if __name__=="__main__":
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pair_score = v
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pair_score = v
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if item1 in item_dict:
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if item1 in item_dict:
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item_score1 = item_dict[item1]
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item_score1 = item_dict[item1]
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+ if item_score1<10:
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+ continue
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i2i_pro = float(pair_score)/(float(item_score1)+5)
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i2i_pro = float(pair_score)/(float(item_score1)+5)
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if i2i_pro<0.000001:
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if i2i_pro<0.000001:
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continue
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continue
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@@ -100,6 +102,8 @@ if __name__=="__main__":
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rec_item_dict[item2] = rec_list1
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rec_item_dict[item2] = rec_list1
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if item2 in item_dict:
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if item2 in item_dict:
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item_score2 = item_dict[item2]
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item_score2 = item_dict[item2]
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+ if item_score2<10:
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+ continue
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i2i_pro = float(pair_score)/(float(item_score2)+5)
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i2i_pro = float(pair_score)/(float(item_score2)+5)
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if i2i_pro<0.000001:
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if i2i_pro<0.000001:
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continue
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continue
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linfan