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Modelling outliers and structural breaks in dynamic linear models with a novel use of a heavy tailed prior for the variances: An alternative to the Inverted Gamma
Modelling outliers structural breaks Inverted Gamma
2011/7/19
In this paper we propose a new wider class of hypergeometric heavy tailed priors that are given as the convolution of a Student-t density for the location parameter and a Scaled Beta2 prior for the va...
Trend Extraction from Time Series with Structural Breaks and Missing Observations
Break point break point location dummies gaps Hodrick-Prescott filter interpolation Leser filter missing observations smoothing spline structural breaks time-series trend
2009/3/5
Trend extraction from time series is often performed by using the filter proposed by Leser (1961), also known as the Hodrick-Prescott filter. Practical problems arise, however, if the time series cont...