least squares dummy variable fixed effects stata

... pages doi:10.1155/2010/976913 Research Article A New Method for Least- Squares and Minimax Group-Delay Error Design of Allpass Variable Fractional-Delay Digital Filters Cheng-Han Chan, 1 Soo-Chang ... root-mean-squared group- delay error by converting a nonlinear optimization problem to a linear least- squares (LS) optimization problem. In this paper, an alternative method will be presented with ... assigned. This paper is organized as follows. In Section 2, the review of conventional weighted least- squares (WLS) design (as Deng’s method [21]) basing on the minimization of ...

Ngày tải lên: 21/06/2014, 07:20

... as in (21.23). 21.4 The Recursive Least- Squares Problem The recursive least- squares formulation deals with the problem of updating the solution ˆw of a least- squares problem (regularized or not) ... thereof): recursive least- squares (RLS) algorithms and the corresponding fast versions (known as FTF and FAEST), QR and inverse QR algorithms, least- squares lattice (LSL), and QR decomposition-based least- squares ... Regularized fast recursive least squares algorithms for adaptive filtering, IEEE Trans. Signal Processing, SP-39(4), 860–870, April 1991. Gauss’ original exposition of the least- squares criterion can...

Ngày tải lên: 16/12/2013, 04:15

... modeled by log-normal random variables. Subsequently, a joint likelihood ratio test is developed for line-of-sight (LOS) or NLOS identification. Three different weighted least- squares (WLSs) localization techniques ... ID 271984, 14 pages doi:10.1155/2008/271984 Research Article NLOS Identification and Weighted Least- Squares Localization for UWB Systems Using Multipath Channel Statistics Ismail G ă uvencá, Chia-Chin ... variance-based WLS techniques in the literature. Accuracy gains with respect to the conventional least- squares algorithm are demonstrated via Monte-Carlo simulations and veried by theoretical derivations. Copyright...

Ngày tải lên: 22/06/2014, 19:20

... frequency of the pth path channel. 3. THE BLIND RECURSIVE LEAST SQUARES JOINT DETECTION AND ESTIMATION In Appendix A, recursive least squares algorithm is de- rived for the estimation of the MIMO ... recursive least squares (DD-RLS) algorithm. RLS algorithm is commonly used for equaliza- tion and its application in channel estimation is a novel idea. In this paper, after defining the weighted least ... Section 2, the signal transmission model and the channel model are introduced. In Section 3, the least squares algorithm is de- rived and extended as a joint blind channel detection and estimation...

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... method [15]. 6. CONCLUSIONS This paper considers a unified constrained weighted least squares (CWLS)/weighted least squares (WLS) mobile lo- cation approach for time-of-arrival (TOA), received sig- nal ... them 2 EURASIP Journal on Applied Signal Processing directly in a nonlinear least squares (NLS) or weighted least squares (WLS) framework. Although optimum estimation performance can be attained, ... these two modified algorithms are referred to as the quadratic correction least squares (QCLS) and linear correc- tion least squares (LCLS), respectively. Recently, we have im- proved [18] the performance...

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... formulate the resulting sparse mixed- effects (SME) model as being made up of mixed effects that not only contain random effects from sparse topics, but also mixed effects from available metadata. ... social science analysis using la- tent variable models, and introduce our slavery- related early United States court opinion data. We describe our sparse mixed -effects model for joint modeling of ... for Computational Linguistics Historical Analysis of Legal Opinions with a Sparse Mixed -Effects Latent Variable Model William Yang Wang 1 and Elijah Mayfield 1 and Suresh Naidu 2 and Jeremiah...

Ngày tải lên: 23/03/2014, 14:20

... general properties of the least core in fixed-income taxation models. Theorem 1 provides a necessary condition on the policy space U to have at least one tax in the least core, for the case of ... mathematically define the con- cept of least core. We provide a sufficient condition on the policy space such that the least core is not empty. In particular, we show that the least core is not empty for ... properties and the non triviality of the least core in fixed-income taxa- tion environments The next proposition states two important properties of the least core, as defined in our general taxation...

Ngày tải lên: 18/06/2014, 15:20

... theory or Liapunov ’s theory: a comparison. Fixed Point Theory. 4,15–32 (2003) 10. Zhang, B: Fixed points and stability in differential equations with variable delays. Nonlinear Anal. 63, e233–e242 ... delays using fixed- point theory. Math Comput Model. 40, 691–700 (2004). doi:10.1016/j.mcm.2004.10.001 18. Jin, C, Luo, J: Fixed points and stability in neutral differential equations with variable ... equations, implicit functions, and fixed points. Proc Am Math Soc. 124, 2383–2390 (1996). doi:10.1090/S0002-9939-96-03533-2 7. Burton, TA: Tetsuo Furumochi, Krasnoselskii’s fixed point theorem and stability....

Ngày tải lên: 20/06/2014, 22:20

... general properties of the least core in fixed-income taxation models. Theorem 1 provides a necessary condition on the policy space U to have at least one tax in the least core, for the case of ... mathematically define the con- cept of least core. We provide a sufficient condition on the policy space such that the least core is not empty. In particular, we show that the least core is not empty for ... properties and the non triviality of the least core in fixed-income taxa- tion environments The next proposition states two important properties of the least core, as defined in our general taxation...

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... Corporation Fixed Point Theory and Applications Volume 2010, Article ID 195916, 14 pages doi:10.1155/2010/195916 Research Article Fixed Points and Stability in Nonlinear Equations with Variable ... or Liapunov theory: a comparison,” Fixed Point Theory, vol. 4, no. 1, pp. 15–32, 2003. 2 B. Zhang, Fixed points and stability in differential equations with variable delays,” Nonlinear Analysis: Theory, ... equations,” Fixed Point Theory, vol. 5, no. 1, pp. 3–20, 2004. 8 J. K. Hale and S. M. Verduyn Lunel, Introduction to Functional Differential Equations, Springer, New York, NY, USA, 1993. 6 Fixed...

Ngày tải lên: 21/06/2014, 11:20

... Ht  n j1 h j t. Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2008, Article ID 407352, 11 pages doi:10.1155/2008/407352 Research Article Fixed Points and Stability in Neutral ... Burton, Fixed points and stability of a nonconvolution equation,” Proceedings of the American Mathematical Society, vol. 132, no. 12, pp. 3679–3687, 2004. 4 T. A. Burton and T. Furumochi, Fixed ... the stability of a Volterra integral equation,” Fixed Point Theory and Applications, vol. 2007, Article ID 57064, 9 pages, 2007. 6 J. Luo, Fixed points and stability of neutral stochastic...

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... C ˘ adariu and V. Radu, Fixed points and the stability of Jensen’s functional equation,” Fixed Point Theory, vol. 4, no. 1, Article 4, p. 7, 2003. 19 L. C ˘ adariu and V. Radu, Fixed points and the ... 5.2. Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2008, Article ID 749392, 15 pages doi:10.1155/2008/749392 Research Article Fixed Point Methods for the Generalized ... 31–39, 2004. 22 L. C ˘ adariu and V. Radu, Fixed points in generalized metric spaces and the stability of a cubic func- tional equation,” in Fixed Point Theory and Applications, Y. J. Cho,...

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