Effacer les filtres
Effacer les filtres

How to interpret this result from lbqtest?

4 vues (au cours des 30 derniers jours)
silicon
silicon le 7 Oct 2013
The time series 'residual' has 61 data points. Can I claim that no auto-correlations are detected?
[h,pValue] = lbqtest(residual,'Lags',[5,10,15,20])
h =
0 0 0 0
pValue =
0.6959 0.8321 0.2296 0.1376

Réponses (1)

Shashank Prasanna
Shashank Prasanna le 7 Oct 2013
Modifié(e) : Shashank Prasanna le 7 Oct 2013
Those p-values are quite large compared to default significance of 0.05 If the p-value was less than 0.05, h will be 1 and it is 'statistically significant' that there is some autocorrelation in the residuals. For p-value > 0.05 and h = 0, you cannot be that confident.
h = 0 means that you cannot confidently reject 'no autocorrelation' in the residuals.
h = 1 means you can confidently reject 'no autocorrelation'
You can change set your own significance using alpha

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by