Python 缺少1个必需的位置参数:';TransformerMixin';关于这点
我正在使用关于泰坦尼克号的数据集。但是当我执行管道时,它是一个Python 缺少1个必需的位置参数:';TransformerMixin';关于这点,python,scikit-learn,Python,Scikit Learn,我正在使用关于泰坦尼克号的数据集。但是当我执行管道时,它是一个TypeError。这是我的密码: from sklearn.base import BaseEstimator, TransformerMixin class DataFrameSelector(BaseEstimator, TransformerMixin): def __init__(self, attribute_names): self.attribute_names = attribute_na
TypeError
。这是我的密码:
from sklearn.base import BaseEstimator, TransformerMixin
class DataFrameSelector(BaseEstimator, TransformerMixin):
def __init__(self, attribute_names):
self.attribute_names = attribute_names
def fit(self, X, y=None):
return self
def transform(self, X):
return X[self.attribute_names]
from sklearn.pipeline import Pipeline
try:
from sklearn.impute import SimpleImputer # Scikit-Learn 0.20+
except ImportError:
from sklearn.preprocessing import Imputer as SimpleImputer
num_pipeline = Pipeline([
("select_numeric", DataFrameSelector(["Age", "SibSp", "Parch", "Fare"])),
("imputer", SimpleImputer(strategy="median")),
])
但是,我得到以下错误:
TypeError: Traceback (most recent call last)
<ipython-input-22-4cae5bb1ad60> in <module>()
7
8 num_pipeline = Pipeline([
----> 9 (("select_numeric", DataFrameSelector(["Age", "SibSp", "Parch", "Fare"])),
10 ('label_binarizer', MyLabelBinarizer())
11 ("imputer", SimpleImputer(strategy="median")),)
TypeError: DataFrameSelector() missing 1 required positional argument: 'TransformerMixin'
TypeError:回溯(最近一次调用)
在()
7.
8 num_管道=管道([
---->9((“选择数字”,DataFrameSelector([“年龄”,“SibSp”,“Parch”,“票价])),
10('label_binarizer',MyLabelBinarizer())
11(“输入者”,simplemputer(strategy=“median”),)
TypeError:DataFrameSelector()缺少1个必需的位置参数:“TransformerMixin”
你确定这是你的实际代码吗?看起来你有一个def DataFrameSelector
而不是类DataFrameSelector
。非常感谢你发现了我难以置信的错误。你确定这是你的实际代码吗?看起来你有一个def DataFrameSelector
而不是类DataFrameSelector或者
某个地方。非常感谢你发现了我难以置信的错误。