enrio的专栏

from math import logFEATURE = ["不浮出水面是否可以生存", "是否有脚蹼"] def calculate_entropy(dataset): set_num = len(dataset) label_statc = {} for item in dataset: label = item[-1] if label

from math import * import random LABELS=["A","B"]def get_data(): data=[];labels=[] for i in range(100): d=(1+random.random()*0.1-0.05,1+random.random()*0.1-0.05) data.append(d)