python
import pandas as pd
from sklearn.model_selection import train_test_split
from sklearn.linear_model import LinearRegression
from sklearn import metrics
import yfinance as yf
获取股票数据
ticker = AAPL
data = yf.download(ticker, start=20150101, end=20200101)
特征选择:开盘价、最高价、最低价、成交量
X = data[['Open', 'High', 'Low', 'Volume']]
y = data['Close']
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=0)
创建并训练模型
model = LinearRegression()
model.fit(X_train, y_train)