Box.Test: Corrected Ljung-Box Test for ARIMA model's residuals

Description Usage Arguments Value

Description

Compute Ljung Box test statistic and return p-value for examining an ARIMA model's residuals, with correct degree of freedom. This is an efficient version of Box.test for testing ARIMA model's residuals.

Usage

1
Box.Test(Arima, lag = 12)

Arguments

Arima

Fitted ARIMA model from arima

lag

the statistic based on lag autocorrelation coefficients

Value

p-value of Ljung-Box Test


yanyachen/arimaMisc documentation built on May 4, 2019, 2:30 p.m.