qq_21944445的博客

#!/usr/bin/env python # -*- coding: utf-8 -*- """ item_based CF """ import numpy as np import pandas as pd class CFItem(object): def __init__(self, k): self.top_k = k @staticmeth...

#!/usr/bin/env python # -*- coding: utf-8 -*- """ matrix_based CF """ import numpy as np import pandas as pd class CFmatrix(object): def __init__(self, num_feature, num_recommendation): ...