模块 'pandas' 没有属性 'fillna'
module 'pandas' has no attribute 'fillna'
import numpy as np
import pandas as pd
class DataProcessing:
def __init__(self, df=None, file=None, duplicates=None, uninformative=None, mhealth_dataset=None):
self.df = df
self.file = file
self.duplicates = duplicates
self.uninformative = uninformative
self.mhealth_dataset = mhealth_dataset
def data(self):
arrays = [np.loadtxt(self.file, dtype=str, delimiter="/t")]
matrices = np.concatenate(arrays)
self.df = np.array(list(matrices)).reshape(len(arrays), 2)
return self.df
def data_cleaning(self):
# Drop and impute missing values
df = pd.fillna(statistics.mean(self.df), inplace=True)
return df
dp = DataProcessing()
dc = dp.data_cleaning()
回溯错误:
Traceback (most recent call last): File
"C:\Users\User\PycharmProjects\algorithms\project_kmeans.py", line 46,
in
dc = dp.data_cleaning() File "C:\Users\User\PycharmProjects\algorithms\project_kmeans.py", line 26,
in data_cleaning
df = pd.fillna(statistics.mean(self.df), inplace=True) File "C:\Users\User\PycharmProjects\algorithms\venv\lib\site-packages\pandas_init_.py",
line 244, in getattr
raise AttributeError(f"module 'pandas' has no attribute '{name}'") AttributeError: module 'pandas' has no attribute 'fillna'
fillna()
是 pandas DataFrame 或 Series 上的一个方法,您可能想要更改 data_cleaning() 实现如下:
def data_cleaning(self):
# Drop and impute missing values
df = statistics.mean(self.df.fillna(...))
return df
并指定用于在数据框中填充 na 的值或方法。
import numpy as np
import pandas as pd
class DataProcessing:
def __init__(self, df=None, file=None, duplicates=None, uninformative=None, mhealth_dataset=None):
self.df = df
self.file = file
self.duplicates = duplicates
self.uninformative = uninformative
self.mhealth_dataset = mhealth_dataset
def data(self):
arrays = [np.loadtxt(self.file, dtype=str, delimiter="/t")]
matrices = np.concatenate(arrays)
self.df = np.array(list(matrices)).reshape(len(arrays), 2)
return self.df
def data_cleaning(self):
# Drop and impute missing values
df = pd.fillna(statistics.mean(self.df), inplace=True)
return df
dp = DataProcessing()
dc = dp.data_cleaning()
回溯错误:
Traceback (most recent call last): File "C:\Users\User\PycharmProjects\algorithms\project_kmeans.py", line 46, in dc = dp.data_cleaning() File "C:\Users\User\PycharmProjects\algorithms\project_kmeans.py", line 26, in data_cleaning df = pd.fillna(statistics.mean(self.df), inplace=True) File "C:\Users\User\PycharmProjects\algorithms\venv\lib\site-packages\pandas_init_.py", line 244, in getattr raise AttributeError(f"module 'pandas' has no attribute '{name}'") AttributeError: module 'pandas' has no attribute 'fillna'
fillna()
是 pandas DataFrame 或 Series 上的一个方法,您可能想要更改 data_cleaning() 实现如下:
def data_cleaning(self):
# Drop and impute missing values
df = statistics.mean(self.df.fillna(...))
return df
并指定用于在数据框中填充 na 的值或方法。