[{"title":"(4个子文件746KB)矩阵分解在MovieLens上的Python实现","children":[{"title":"SGD_MF","children":[{"title":"SGD_MF","children":[{"title":"SGD_MF.py <span style='color:#111;'>2.88KB</span>","children":null,"spread":false},{"title":"u.data <span style='color:#111;'>1.89MB</span>","children":null,"spread":false},{"title":"讲解和推导.txt <span style='color:#111;'>75B</span>","children":null,"spread":false}],"spread":true},{"title":"README.md <span style='color:#111;'>1.16KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]