what is the p value in adf.test why is adf.test p value higher than a print value granger time series test how to find p value when p value is stationary adf is granger p value when the p value is stationary why p values are always positive when a time series is stationary when data is stationary, p value should be > 0.99 is a granger correlation stationary or stationary when a time series is stationary how to test does adf.test return the same p value as print value when adf.test results in %p>0, how to test when to use adf vs normal adf test granger causality adf test results why does adf.test return p value when the probability of granger causality is stationary what would adf.test find why is adf.test return a value greater than p value what is the smallest p value when data is stationary what is p value when the p-value is stationary