Results 261 to 270 of about 8,329 (301)

Type 2 Diabetes, Glycemic Traits and Overall Cancer Risk: A Large-Scale Prospective Cohort Study. [PDF]

Cancer Med
Zhang A, Zhu X, Li Z, Li Y, Zhu M, Yan C, Jin G, Cai P, Zhang M, Ding Y.   +9 more
europepmc   +1 more source

Endothelial activation and stress index links to cardiovascular disease in postmenopausal women mediated by arterial stiffness: A cross-sectional study of National Health and Nutrition Examination Survey 1999-2018. [PDF]

J Int Med Res
Long H, Guo R, Zhou J, Liu G, Chen H, Lin Y.   +5 more
europepmc   +1 more source

Racial Disparities in Weather-Related Mortality in Virginia. [PDF]

Geohealth
DeGuzman PB, Novicoff WM, Ramos G, Pane MM, Johnson MC, Roney PC, Leigh HV, Basener W, Curran AL, DeMarcy B, Jang J, Schroeder C, Davis RE.   +12 more
europepmc   +1 more source

An Overview and Recent Developments in the Analysis of Multistate Processes. [PDF]

Stat Med
Gorfine M, Cook RJ, Kragh Andersen P, Therneau TM, Joly P, Putter H, Pohar Perme M, Abrahamowicz M, Topic Group 8 “Survival Analysis” of the STRATOS Initiative.   +8 more
europepmc   +1 more source

Stress hyperglycemia ratio and short-term mortality in critically ill septic patients: stratified analysis by diabetes status. [PDF]

BMC Infect Dis
Xu H, Lv X, Xia Y, Niu H, Li J, He P.
europepmc   +1 more source

Analysis of special index of stunting treatment through confidence interval of longitudinal semiparametric spline model parameters

Communications in Mathematical Biology and Neuroscience
openaire   +1 more source

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Cubic Splines as a Special Case of Restricted Least Squares

Journal of the American Statistical Association, 1977
Abstract The standard cubic spline regression method is shown to be a special case of the restricted least-squares estimator. The equivalence of the two procedures under a common set of restrictions is proved. The greater flexibility of the restricted least-squares estimator in terms of the number of restrictions and tests of hypotheses that can be ...
A Buse
exaly   +4 more sources

A smooth approximation for the solution of special non-linear third-order boundary-value problems based on non-polynomial splines

International Journal of Computer Mathematics, 2006
A second-order method based on quartic non-polynomial spline consisting of a polynomial part of degree two and a trigonometric part is developed to find continuous approximation of a two point boundary-value problem involving a third-order differential equation. It is shown that the angular frequency k of the trigonometric part can be used to raise the
Ikram A Tirmizi
exaly   +2 more sources

Positive-definite splines of special form

Sbornik: Mathematics, 2002
Even positive-definite splines with support in \([ - 1,1]\) that are equal to a real algebraic polynomial on \([0,1]\) are investigated. Examples of such splines are presented. Under consideration are \(e\)-splines, which have several extremal properties, and the positive definite \(A\)-splines, which have the maximum possible smoothness on \(R\).
Zastavnyj, V. P., Trigub, R. M.
openaire   +1 more source

The Beta2-spline: A Special Case of the Beta-spline Curve and Surface Representation

IEEE Computer Graphics and Applications, 1985
Simpler equations and computationally more efficient algorithms make the Beta2-spline technique easier to understand and useful to the designer.
Brian A. Barsky, Tony DeRose
openaire   +1 more source