This information becomes useful during universal Kriging to detrend
our data, we first attempted to fit a negative exponential curve to the individual series raw data.
In contrast, failing to detrend
a series that contains a trend typically leads to a loss of consistency and an incorrect asymptotic size.
Aforementioned studies often add a linear time trend to an AR(2) to detrend
Thus, in order to avoid problems of spurious regression, we decided to detrend
the time series of unemployment rates before using it in the VAR estimations.
So, both polynomials of various orders and linear functions were tested in a detrend
The essence of his methodology is to detrend
the original series with an allowance for a structural break and to conduct tests for unit roots in the detrended
En toda la region realizamos trabajos de capacitacion entre nuestros socios y continuaremos haciendolo", senalo Alexis Garberis, director de SMB deTrend
removes the spectral trend based on a second-degree polynomial fit between wavelengths and absorbencies (Barnes et al.
Thus, we detrend
the TFP component by 2 percent per year.
According to Heejoon Kang, a failure to detrend
when needed enhances causal relationships, whereas detrending when not needed weakens them.
While there is good reason to find some way to detrend
the technology shock series used as an input into the real business cycle model, it is also standard practice to HP filter the predicted series generated by the real business cycle model before checking their intercorrelations and comparing them to the HP-filtered actual data.