How to retrieve poisson regression model p-value

Can someone please help me with how I can retrieve the overall model p-value for a Poisson regression model in MATLAB. Thanks.

Answer 1

[Milind Jain]

This value is not directly stored in the generalized linear model object, but it can be accessed by performing a deviance test. The following code will give the desired value.

d = devianceTest(mdl);
d.pValue

For more details on using 'devianceTest' for your model you can refer to the documentation link below https://www.mathworks.com/help/stats/compactgeneralizedlinearmodel.deviancetest.html