can time series show non-stationary trend can i use the p of a time series to find local trends what is the trend of time series analysis why is the variance in the time series non-stationary time plot of correlation how do you calculate variability in time series how to use time series how long does a time plot of differences take to get from one set of results? is the variance in the performance series constant is a variance in a time series deterministic when the variance is non-stationary, does the correlogram decay what would be good model for time series of performance data in a shared system is a time series non-stationary how long can variance be continuous can time series predict trends what is the trend of a time series model time series analysis can you test different series to see the trend of trend time series with no trend why is a variance non-stationary