Thank you.I’m wondering if there is any function can exam the deviation between the expected value and the true value of the model, such as az.plot_ppc?By the way, in v5,how to print the parameters’ correlation matrix like this?

Thank you.I’m wondering if there is any function can exam the deviation between the expected value and the true value of the model, such as az.plot_ppc?By the way, in v5,how to print the parameters’ correlation matrix like this?
