1976
DOI: 10.1080/03610927608827423
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Good ridge estimators based on prior information

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Cited by 137 publications
(69 citation statements)
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“…The distribution of GNSS data, after removal of a linear trend and low frequency signal, has a strong peak with relatively broad tails, a combination better suited to the logistic distribution. The low frequency signal is estimated using the Matlab function gridfit, which uses a modified ridge estimator [Swindel, 1976] to generate a smooth surface. Our observation of the underlying distribution of the white noise component is not an artifact of the presence of and our process of removing flicker and random walk noise sources, which we confirm with synthetic time series.…”
Section: 1002/2015jb012049mentioning
confidence: 99%
“…The distribution of GNSS data, after removal of a linear trend and low frequency signal, has a strong peak with relatively broad tails, a combination better suited to the logistic distribution. The low frequency signal is estimated using the Matlab function gridfit, which uses a modified ridge estimator [Swindel, 1976] to generate a smooth surface. Our observation of the underlying distribution of the white noise component is not an artifact of the presence of and our process of removing flicker and random walk noise sources, which we confirm with synthetic time series.…”
Section: 1002/2015jb012049mentioning
confidence: 99%
“…Sarkar (1992) proposed a new restricted estimator by combining the restricted least squares estimate with RE. Kaciranlar et al (1998) compared the estimator introduced by Sarkar (1992) and the modified ridge regression estimator based on prior information proposed by Swindel (1976). Grob (2003) studied another restricted ridge estimator by combing the estimator given by Swindel (1976) and the restricted least squares method.…”
Section: Introductionmentioning
confidence: 99%
“…Kaciranlar et al (1998) compared the estimator introduced by Sarkar (1992) and the modified ridge regression estimator based on prior information proposed by Swindel (1976). Grob (2003) studied another restricted ridge estimator by combing the estimator given by Swindel (1976) and the restricted least squares method. A new restricted ridge estimation method is proposed by minimizing the sum of squared residuals by Zhong and Yang (2007).…”
Section: Introductionmentioning
confidence: 99%
“…This estimator is biased but reduces the variances of the regression coefficients. Subsequently, several other biased estimators of β have been proposed (Swindel, 1976;Sarkar, 1996;Batah and Gore, 2008;Batah et al, 2009;Arayesh and Hosseini, 2010;Asekunowo et al, 2010;Hirun and Sirisoponsilp, 2010;Rana et al, 2009). Swinded (1976) …”
Section: Introductionmentioning
confidence: 99%