python 10大算法之二 LogisticRegression 笔记

Posted 2020-10-11

会使用的包

import matplotlib.pyplot as plt
import pandas as pd
import numpy as np

 

获取数据

方式一：

df = pd.read_csv(‘http://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data‘, header=None)
df.columns = [‘d1‘, ‘d2‘, ‘d3‘, ‘d4‘, ‘d5‘]
X = df.iloc[:, [0, 3]].values