can auto.arima show trend of a model what's the difference between stationary and time series test how to calculate interval of a stationnarity in arima is the trend in a stationnarity test valid what is the relationship between the stationnarity curve and the kpss model how to determine stationary trend on arima model why is it necessary to use auto.arima to explore a trend what is the difference between adf and kpss when is it best to use erma to compare time series? what is auto.arima for how does auto arima compare to kpss how to test stationnarity of a model how do i compare stationnarity and kpss? what does the.arima do when comparing stationnarity tests, which one should i use? auto.arima which time series can be selected as a stationnarity? which test should you apply to stationnarity what is the correlation between the stationnarity test and the statistical test can an arima test include a trend which model is stationary in adf