Tus*_*har 5 python-3.x scikit-learn anaconda recommender-systems
from surprise import Reader, Dataset, SVD
from surprise import evaluate
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-12-6d771df269b8> in <module>()
----> 1 from surprise import evaluate
ImportError: cannot import name 'evaluate'
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第一行,从惊喜导入阅读器,数据集,SVD 工作正常。就是这样,它无法从惊喜包中导入评估。
我已经使用 conda 安装了 scikit-surprise。我认为它已成功安装。
从 2020 年 1 月开始,请改为执行以下操作...
from surprise import SVD
from surprise import Dataset
from surprise.model_selection import cross_validate
# Load the dataset (download it if needed)
data = Dataset.load_builtin('ml-100k')
# Use the famous SVD algorithm
algo = SVD()
# Run 5-fold cross-validation and then print results
cross_validate(algo, data, measures=['RMSE', 'MAE'], cv=5, verbose=True)
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