GJR模型
If negative shocks contribute more to volatility than positive shocks, then you can model the innovations process using a GJR model and include leverage effects. For details on how to model volatility clustering using a GJR model, seeGJR
.
Apps
Econometric Modeler | 分析和模型计量经济学时间序列 |
Functions
示例以及如何
Create Model
Create GJR models usingGJR
或计量经济学建模应用程序。
Modify Properties of Conditional Variance Models
改变properti修改模型es using dot notation.
Specify Gaussian or t distributed innovations process.
为每日Deutschmark/英镑外汇率创建有条件的差异模型。
Specify Conditional Mean and Variance Models
Create a composite conditional mean and variance model.
Fit Model to Data
Compare Conditional Variance Model Fit Statistics Using Econometric Modeler App
交互式指定并将GARCH,EGARCH和GJR模型拟合到数据。然后,通过比较拟合统计信息来确定最适合数据的模型。
Likelihood Ratio Test for Conditional Variance Models
将两个竞争性的条件差异模型拟合到数据,然后使用似然比测试比较其拟合。
Estimate Conditional Mean and Variance Model
Estimate a composite conditional mean and variance model.
Perform GARCH Model Residual Diagnostics Using Econometric Modeler App
Interactively evaluate model assumptions after fitting data to a GARCH model by performing residual diagnostics.
Infer conditional variances from a fitted conditional variance model.
Share Results of Econometric Modeler App Session
导出变量到MATLAB®Workspace, generate plain text and live functions that return a model estimated in an app session, or generate a report recording your activities on time series and estimated models in an Econometric Modeler app session.
Using Extreme Value Theory and Copulas to Evaluate Market Risk
此示例显示了如何使用学生的T Copula和极值理论(EVT)使用Monte Carlo模拟技术来模拟假设的全球股权指数投资组合的市场风险。
Generate Monte Carlo Simulations
Simulate Conditional Variance Model
simulate a conditional variance model.
在没有指定预先样本数据的情况下从GARCH过程中模拟。
Simulate Conditional Mean and Variance Models
Simulate responses and conditional variances from a composite conditional mean and variance model.
Generate Minimum Mean Square Error Forecasts
Generate MMSE forecasts from a GJR model.
Forecast a Conditional Variance Model
Forecast the Deutschmark/British pound foreign exchange rate using a fitted conditional variance model.
Forecast responses and conditional variances from a composite conditional mean and variance model.
Concepts
Econometric Modeler App Overview
计量经济学建模器应用程序是一种交互式工具,用于可视化和分析单变量时间序列数据。
使用计量经济学建模者为时间序列模型估算指定滞后运算符术语。
Learn about models that account for volatility clustering.
Maximum Likelihood Estimation for Conditional Variance Models
Learn how maximum likelihood is carried out for conditional variance models.
Conditional Variance Model Estimation with Equality Constraints
Constrain the model during estimation using known parameter values.
Specify presample data to initialize the model.
Specify initial parameter values for estimation.
Optimization Settings for Conditional Variance Model Estimation
Troubleshoot estimation issues by specifying alternative optimization options.
Monte Carlo Simulation of Conditional Variance Models
Learn about Monte Carlo simulation.
Presample Data for Conditional Variance Model Simulation
Learn about presample requirements for simulation.
Learn about Monte Carlo forecasting.
MMSE Forecasting of Conditional Variance Models
了解MMSE预测。