x_test,model.predict(x_test)) 有图可我不知道方程的参数 都有model了怎么能不知道 model.coef_ #array([[1.00116024]]) 斜率model.intercept...np.square(model.predict(x1) - y1)) 16.63930773735106 # 这个不错,挺小的 我不信是最好的,那就稍稍加一点截距0.01 y2 = model.coef_*x1 + model.intercept...10,10)) plt.scatter(x1,y1) plt.plot(x1,model.predict(x1),color = 'r') plt.plot(x1 , model.coef_*x1 + model.intercept
²,再看看系数 >>> print('intercept:', model.intercept_) intercept: 5.633333333333329 >>> print('slope:', model.coef...[ 8.33333333 13.73333333 19.13333333 24.53333333 29.93333333 35.33333333] 当然也可以使用下面的方法 >>> y_pred = model.intercept...of determination:', r_sq) coefficient of determination: 0.8615939258756776 >>> print('intercept:', model.intercept...of determination:', r_sq) coefficient of determination: 0.8908516262498564 >>> print('intercept:', model.intercept
model.predict(xfit[:, np.newaxis]) print "Model slope: ", model.coef_[0] print "Model intercept:", model.intercept
3) 训练模型 python model = LinearRegression() model.fit(X, y) # 训练模型 (4) 获取参数 python print(f"回归方程: y = {model.intercept...model = LinearRegression()model.fit(X_train, y_train) # 输出参数 print("系数:", model.coef_) print("截距:", model.intercept
linear_model.LinearRegression() model.fit(x,y) 第六步:模型评估 model_coef = model.coef_ #获取模型自变量系数并赋值给model_coef model_intercept = model.intercept
model.predict(x)#结果:[33.56614386 30.32827794 32.28321585] print(model.coef_) #coefficent,输出系数 0.061 print(model.intercept
LogisticRegression() model.fit(x_train, y_train) print("w: ", model.coef_) print("b: ", model.intercept...load_data() model = LogisticRegression() model.fit(x_train, y_train) print("w: ", model.coef_) print("b: ", model.intercept
model.predict(X) , color='blue') plt.xlabel('气温') plt.ylabel('销售量') plt.show() print("截距与斜率:",model.intercept
,我们使用训练数据拟合模型: model.fit(X, y) 获取模型参数 拟合完成后,我们可以获取模型的参数,即斜率和截距: slope = model.coef_[0] intercept = model.intercept
获取模型参数 拟合完成后,我们可以获取模型的参数,即斜率和截距: slope = model.coef_[0] intercept = model.intercept_ 6.
train_y) # In[34]: #训练模型的系数 print('Coefficient of model :', model.coef_) #拦截模型 print('Intercept of model',model.intercept
#得到训练和测试训练集model = LinearRegression() #导入线性回归model.fit(x_train, y_train) # model.coef_ # 斜率 有三个model.intercept
算法模型 - 通过矩阵运算建立关系 model = LinearRegression() model.fit(X, y) # 训练模型 # 输出模型参数 intercept = model.intercept
plt.title('广告 vs 销量预测')plt.legend()plt.show()# 输出模型参数print(f'模型系数(斜率): {model.coef_[0]}')print(f'模型截距: {model.intercept
print('\nCoefficient of model :', model.coef_) # intercept of the model print('\nIntercept of model',model.intercept
np.random.randn(100, 1)# 创建线性回归模型model = LinearRegression()# 训练模型model.fit(X, y)# 打印模型参数print('截距:', model.intercept
model = LinearRegression() # 训练模型 model.fit(X, y) 现在,我们可以查看模型的参数(β₀ 和 β₁): # 截距(β₀) print("截距 β₀:", model.intercept...LinearRegression() # 在训练集上训练模型 model.fit(X_train, y_train) # 输出模型的截距和回归系数 print('截距 (Intercept):', model.intercept
X) print('一元线性回归拟合的R平方的值:', r_sq) print('模型的均方误差值:', mean_squared_error(y, y_pred)) print('b0的值:', model.intercept
],[5],[6]] # 打印预测结果 y_=model.predict(x_) print(y_) #查看w和b的 print("w值为:",model.coef_) print("b截距值为:",model.intercept...],[5],[6]] # 打印预测结果 y_=model.predict(x_) print(y_) #查看w和b的 print("w值为:",model.coef_) print("b截距值为:",model.intercept
Predictions:", y_pred) print("Model coefficients:", model.coef_) # 输出斜率 print("Model intercept:", model.intercept...model.intercept_: 这是一个属性,存储了模型拟合后的截距项。