yteimg.com/tos-cn-i-k3u1fbpfcp/c63b1f1f9ba3459aabe711694fa7d106~tplv-k3u1fbpfcp-5.jpeg?)分类算法:逻辑回归、决策树分类、SVM分类、贝叶斯分类、随机森林、XGBoost、KNN...回归算法:线性回归、 决策树回归... import plotly.express as px # 导入需要的模块,命名为pximport pandas as pdstages = ["访问数", "下载数", "注册数", "搜索数", "付款数"]#漏斗的数据data = pd.DataFrame(dict( #准备漏斗数据 number=...
=&rk3s=8031ce6d&x-expires=1716394866&x-signature=hq1qzKo%2B572HAAz%2BfQHYHzP3C8A%3D)## 回归模型当进行环境污染影响评估时,常常使用回归模型。使用Python中的Scikit-Learn库中的线性回归模型来展示代码... import matplotlib.pyplot as plt# 生成模拟环境数据np.random.seed(42)data = pd.DataFrame({ 'Temperature': np.random.uniform(10, 30, 1000), 'Humidity': np.random.uniform(30, 80, 1000), ...
y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)# 使用线性回归模型进行设计优化model = LinearRegression()model.fit(X_train, y_train)```![picture.image](https://p3-volc... import pandas as pdfrom sklearn.model_selection import train_test_splitfrom sklearn.ensemble import RandomForestClassifierfrom sklearn.metrics import accuracy_score# 加载生产设备数据data = pd....
演示了如何使用 Python 编写一个基于机器学习的学生成绩预测模型。 ```# 导入所需的库import pandas as pdfrom sklearn.model_selection import train_test_splitfrom sklearn.linear_model import LinearR... data['score'].values # 目标值# 划分训练集和测试集X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)# 创建线性回归模型model = LinearRegression()# 模型训练mo...