ValueError: 輸入包含 NaN、無窮大或對於 dtype('float64') 來說太大的值。 對於我的 knn 模型

Question

df1_fit=pd.DataFrame(scaled_features,columns=df1.columns[:-1])
df1_fit.head()

from sklearn.model_selection import train_test_split

X_train, X_test, y_train, 
y_test=train_test_split(scaled_features,df1['Sales'],test_size=0.30)

from sklearn.neighbors import KNeighborsClassifier

knn=KNeighborsClassifier(n_neighbors=5)
knn.fit(X_train,y_train)

然后我運行它，但它顯示我， ValueError: Input contains NaN, infinity or a value too large for dtype('float64')

我該如何解決？

Answer 1

確保您沒有NaN值：

df1 = df1.dropna()