simple_diag_plot {simts}

Basic Diagnostic Plot of Residuals

Description

This function will plot four diagnostic plots to assess how well the model fits the data. These plots are: (1) residuals plot, (2) histogram of (standardized) residuals, (3) normal Q-Q plot of residuals and (4) residuals vs fitted values plot.

Usage

simple_diag_plot(Xt, model, std = FALSE)

Arguments

Xt

The original time series data.

model

The arima model fit to the data.

std

A boolean indicating whether we use standardized residuals for the (1) residuals plot and the (2) histogram of (standardized) residuals.

Author(s)

Yuming Zhang