在Python 中,如果你遇到了 NameError: name 'plot_confusion_matrix' is not defined 的错误,这通常意味着你的代码中缺少了导入 plot_confusion_matrix 函数的语句。这个函数通常位于 sklearn.metrics 模块中。 要解决这个问题,你需要在代码文件的顶部添加以下导入语句: python from sklearn.metrics import plot_conf...
from sklearn.preprocessing import Imputer,LabelEncoder,OneHotEncoder,StandardScaler (C:\ProgramData\Anaconda3\lib\site-packages\sklearn\externals\joblib__init__.py) ImportError:无法从“sklearn.externals.joblib 浏览0提问于2019-05-13得票数 7 1回答 试着运行水瓶,并收到消息:“ModuleNotFoundError:没有名...
问NameError:未定义名称“plot_confusion_matrix”ENusing 声明和using 编译指令 using 声明将特定的名称...
Projects Security Insights New issue Open auroragaeta from Py_FS.evaluation import evaluate gives the following error "cannot import name 'plot_confusion_matrix' from 'sklearn.metrics' (/Desktop/Aurora/tesi/41.tesi_2023/venv3/lib/python3.8/site-packages/sklearn/metrics/init.py)" ...
easily breaks down without warning or error if the data does not contain all labels. This can easily happen with imbalanced datasets or with many classes and real datasets. Steps/Code to Reproduce importitertoolsimportnumpyasnpimportmatplotlib.pyplotaspltfromsklearnimportsvm,datasetsfromsklearn.model_...