[Data Mining and Business Intelligence Decision-Making] Chapter 5 Logistic Regression Model

Logistic regression model algorithm principle

The Mathematical Principles of Logistic Regression Models

%matplotlib inline
# 补充知识点:Sigmoid函数绘制
import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(-6, 6)  # 通过linspace()函数生成-6到6的等差数列,默认50个数
y = 1.0

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