推荐系统实例之surprise库

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surprise官方网址:http://surprise.readthedocs.io/en/stable/index.html

from surprise import KNNBasic
from surprise import Dataset
from surprise.model_selection import cross_validatedata = Dataset.load_builtin('ml-100k')
algo = KNNBasic()
cross_validate(algo, data, measures=['RMSE', 'MAE'], cv=3, verbose=True)

• 参数选择

from surprise import SVD
from surprise import Dataset
from surprise.model_selection import GridSearchCVparam_grid = {'n_epochs':[

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