recommend_system:推荐系统与深度学习-源码

推荐系统由基础算法到深度学习的应用参考 电影推荐系统 标签：Tensorflow，矩阵分解，惊喜，PySpark 1，用Tensorflow实现矩阵分解 1.1，定义one_batch模块 import numpy as np import pandas as pd def read_and_process ( filename , sep = '::' ): col_names = [ 'user' , 'item' , 'rate' , 'timestamp' ] df = pd . read_csv ( filename , sep = sep , header = None , names = col_names , engine = 'python' ) df [ 'user' ] -= 1 df [ '