利用鸢尾花数据集画出P R曲线 python

#coding=utf-8 """ #演示目的：利用鸢尾花数据集画出P-R曲线 """ print(__doc__) import matplotlib.pyplot as plt import numpy as np from sklearn import svm, datasets from sklearn.metrics import precision_recall_curve from sklearn.metrics import average_precision_score from sklearn.preprocessing import label_