輸出結果
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5iYwU2MkJ2MlljMyUWZwAjYkFDZ0EmZ3AzMyAzYwEmYw8CX5d2bs92Yl1iclB3bsVmdlR2LcNWaw9CXt92Yu4GZjlGbh5yYjV3Lc9CX6MHc0RHaiojIsJye.png)
實作代碼
from sklearn import neighbors
from sklearn import datasets
knn = neighbors.KNeighborsClassifier()
iris = datasets.load_iris()
print (iris)
knn.fit(iris.data, iris.target)
predictedLabel = knn.predict([[0.1, 0.2, 0.3, 0.4]])
print ("niu")
print (predictedLabel)