Results 151 to 160 of about 5,521 (203)
International Journal of Cancer, EarlyView.What's New? Colorectal cancer (CRC) recurrence is a significant threat to survival despite surgery with curative intent. The characteristics of CRC recurrence, however, remain poorly understood, challenging postoperative surveillance. This study investigated post‐recurrence mortality and associations between time‐to‐recurrence and mortality among stage
Jesper Nors +3 more
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International Journal of Gynecology &Obstetrics, EarlyView.Abstract Background The triglyceride‐glucose body mass index (TyG‐BMI) is a novel indicator combining an insulin resistance proxy (TyG index) with adiposity. It remains unclear how TyG‐BMI relates to long‐term mortality risk in postmenopausal women, a group prone to metabolic changes after menopause.
Xiliang Wang +3 more
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iMetaOmics, EarlyView.MicrobTiSDA is a user‐friendly and flexible R package specifically designed for longitudinal microbiome data analysis. By integrating process‐oriented functional modules—including data input, data preprocessing, interspecies interaction inference, natural spline regression modeling, temporal pattern clustering, and random forest classification ...
Shijia Li +5 more
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Joint Estimation and Bandwidth Selection in Partially Parametric Models
Journal of Applied Econometrics, EarlyView.ABSTRACT We propose a single‐step approach to estimating a model with both a known nonlinear parametric component and an unknown nonparametric component. We study the large sample behavior of a simultaneous optimization routine that estimates both the parameter vector of the parametric component and the bandwidth vector used to smooth the unknown ...
Daniel J. Henderson +2 more
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Numerical Algorithms, 2005
A very general view of splines, B-splines and spline curves is taken by the ECT-spline approach, originally due to Barry. In this paper, these splines are studied extensively, especially the general ECT-systems and their duals, cardinal ECT-splines and B-splines. Many examples are provided as well in order to illustrate the theoretical results.
Tang, Yuehong, Mühlbach, Günter W.
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A very general view of splines, B-splines and spline curves is taken by the ECT-spline approach, originally due to Barry. In this paper, these splines are studied extensively, especially the general ECT-systems and their duals, cardinal ECT-splines and B-splines. Many examples are provided as well in order to illustrate the theoretical results.
Tang, Yuehong, Mühlbach, Günter W.
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Applicable Analysis, 1980
This paper contains a systematic study of the problem of interpolation by cardinal discrete splines. The main tools are the so-called “Exponetial Euier discrete polynomials” which are a generaisation of the well-known Euler–Frobenius polynomials.
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This paper contains a systematic study of the problem of interpolation by cardinal discrete splines. The main tools are the so-called “Exponetial Euier discrete polynomials” which are a generaisation of the well-known Euler–Frobenius polynomials.
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A Class of Cardinal Trigonometric Splines
SIAM Journal on Mathematical Analysis, 1976About a decade ago Schoenberg introduced trigonometric splines which are related to the differential operator $\Delta m = D(D^2 + 1^2 ) \cdots (D^2 + m^2 )$. Here we introduce the cardinal trigonometric splines and show that cardinal trigonometric interpolation at the nodes to data of power growth is not unique.
Sharma, A., Tzimbalario, J.
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Cardinal hermite interpolation with box splines
Constructive Approximation, 1987The authors initiate a study of multivariate cardinal Hermite interpolation: the interpolation of successive directional derivatives. It is assumed that the set T of directions satisfies a certain determinant condition and that each direction t occurs in T with even multiplicity.
Riemenschneider, Sherman, Scherer, Karl
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1979
Publisher Summary The chapter describes the methods, with some changes, that were used by the author to solve the numerical problem assigned to him at the Ballistics Research Laboratories in Aberdeen, Maryland, during the Second World War. The problem was to smooth very extended equidistant tables of drag functions (or drag coefficients) by ...
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Publisher Summary The chapter describes the methods, with some changes, that were used by the author to solve the numerical problem assigned to him at the Ballistics Research Laboratories in Aberdeen, Maryland, during the Second World War. The problem was to smooth very extended equidistant tables of drag functions (or drag coefficients) by ...
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On minimax cardinal spline interpolation
Statistical Inference for Stochastic Processes, 2022zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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