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Question: How do I isolate the p-value from the serial.test function (portmanteau test)? Details: I tried the following set of commands > testResult <- serial.test(vec2varModelFit) > thePValue <- testResult$p.value When i type 1) thePValue I get: "NULL" 2) testResult I get "Portmanteau Test (asymptotic) data: Residuals of VAR object vecm.level Chi-squared = 12486.41, df = 58, p-value < 2.2e-16" If I can provide anything else to help you answer this...