코딩걸음마

이웃기반 협업필터링 유사도계산, 아이템기반, 유저기반 -> 유사도; 자카드, 피어슨, 코사인 1. 데이터 불러오기 import os import pandas as pd import numpy as np from math import sqrt from tqdm import tqdm_notebook as tqdm from sklearn.model_selection import train_test_split from sklearn.metrics import mean_squared_error https://movielens.org/ MovieLens About MovieLens | Contact Us | Privacy Policy | Terms of Use version 4.5.3 2021.6.25.166 Al..