python鸢尾花种类预测KNN简单案例

首先安装个库

pip3 install scikit-learn (当然那个pip3的3可以去掉)

注：安装scikit-learn需要Numpy, Scipy等库

安装好后,直接复制粘贴下面代码右键就可直接运行看结果.

from sklearn.datasets import load_iris
from sklearn.model_selection import train_test_split
from sklearn.preprocessing import StandardScaler
from sklearn.neighbors import KNeighborsClassifier

#1.加载数据集
iris = load_iris(</