why does differencing time series introduce negative autocorrelation? why does differencing time series introduce negative autocorrelation? why do you introduce negative autocorrelation in a time series why does differencing introduce negative why is autocorrelation before differencing negative in science when does differencing introduce negative autocorrelation what is difference between autocorrelation and differentencing what is the negative autocorrelation of diffrentencing how does differencing time series work why does differencing time series introduce negative autocorrelation when do you use autocorrelation and difference? why is autocorrelation before differencing? why does differencing time-series introduce negative autocorrelation what is the difference between an independent comparing and a time series why does differencing create negative autocorrelation how to explain when a series is negative why time series is positive after differencing why does differencing occur when do you introduce negative autocorrelation what is the difference between a difference and differencing