qq_42839893的博客

参考这一篇了https://developer.aliyun.com/article/7535072021美赛|2|第三题决策树分类模型1.训练决策树模型1.导包import matplotlib.pyplot as pltfrom sklearn.datasets import load_irisfrom sklearn.datasets import load_breast_cancerfrom sklearn.tree import DecisionTreeClassifierfro

美赛2021D题｜1｜pagerank算法import networkx as nximport matplotlib.pyplot as plt if __name__ == '__main__': # 读入有向图，存储边 f = open('influence_data_pagerank1.txt', 'r') # 将两个节点进行区分开来 edges = [line.strip('\n').split('\t') for line in f]