Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/195464 
Erscheinungsjahr: 
2018
Quellenangabe: 
[Journal:] Econometrics [ISSN:] 2225-1146 [Volume:] 6 [Issue:] 3 [Publisher:] MDPI [Place:] Basel [Year:] 2018 [Pages:] 1-10
Verlag: 
MDPI, Basel
Zusammenfassung: 
ℓ1 polynomial trend filtering, which is a filtering method described as an ℓ1-norm penalized least-squares problem, is promising because it enables the estimation of a piecewise polynomial trend in a univariate economic time series without prespecifying the number and location of knots. This paper shows some theoretical results on the filtering, one of which is that a small modification of the filtering provides not only identical trend estimates as the filtering but also extrapolations of the trend beyond both sample limits.
Schlagwörter: 
ℓ1 trend filtering
Hodrick–Prescott filtering
Whittaker–Henderson method of graduation
Lasso regression
basis pursuit denoising
total variation denoising
JEL: 
C22
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