我正在尝试使用knn来估算缺少的值,但我无法使用码:从fancyimpute进口KNN还有knn插补的其他库吗?
另一个库是sklearn
:
from sklearn.impute import KNNImputer
[skleanr's documentation中的示例:
import numpy as np
from sklearn.impute import KNNImputer
X = [[1, 2, np.nan], [3, 4, 3], [np.nan, 6, 5], [8, 8, 7]]
imputer = KNNImputer(n_neighbors=2)
imputer.fit_transform(X)
输出:
array([[1. , 2. , 4. ],
[3. , 4. , 3. ],
[5.5, 6. , 5. ],
[8. , 8. , 7. ]])