from matlotlib import pyplot as plt import numpy as np from sklearn.datasets import load_iris data=load_iris() type(data)=sklearn.datasets.base.bench
features = data.data feature_names = data.feature_names target = data.target target_names = data.target_names
for t in range(3): if t == 0: c = 'r' marker = '>' elif t == 1: c = 'g' marker = 'o' elif t == 2: c = 'b' marker = 'x' plt.scatter(features[target == t, 0], features[target == t, 1], marker=marker, c=c)
輸出結果為畫出數據散點圖。