Results 221 to 230 of about 323,983 (267)

Determining the minimal important change of the abdominal Hernia-Q. [PDF]

Hernia
Khan S, Zemberi J, Olsen T, McCutchen A, Voytik M, Jarrar S, Hornick MM, Broach RB, Chhatre S, Jayadevappa R, Fischer JP.   +10 more
europepmc   +1 more source

Comment on 'Worldwide prevalence of haemorrhoids: a systematic review and meta-analysis'. [PDF]

Ann Med
Wang L.
europepmc   +1 more source

Multi-task fMRI outperforms resting-state fMRI for revealing task-invariant organization of the human brain

Nettekoven C, Shahbazi A, Arafat B, Skenderija M, Xiang J, Pinho AL, Diedrichsen J.   +6 more
europepmc   +1 more source

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Exact Estimates for a Rate Ratio

Epidemiology, 1996
The incidence rate ratio is a basic measure of association in epidemiology. We present a simple and efficient method for computing exact confidence limits for the common rate ratio in a series of 2 x 2 tables with person-time denominators. The method uses a polynomial multiplication (convolution) algorithm previously described for an odds ratio.
Harland Austin
exaly   +3 more sources

Exact computations for the coherence estimate

Medical & Biological Engineering & Computing, 2007
The recent paper by Miranda de Sa et al. [10] developed methods for computing the sampling distribution of the coherence estimate between two signals. However, the methods were based on some approximations because it was claimed that exact calculations required extensive computations. In this technical note, we provide analytical expressions and 1-line
Saralees Nadarajah, Samuel Kotz
openaire   +2 more sources

Exact and efficient crosstalk estimation

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2001
With the reducing distances between wires in deep submicrometer technologies, coupling capacitances are becoming significant as their magnitude becomes comparable to the area capacitance and fringing capacitance of a wire. This causes an increasing susceptibility to failure due to inadvertent noise and leads to a requirement for accurate noise ...
Martin Kuhlmann, Sachin S. Sapatnekar
openaire   +1 more source

Exact ML Estimation of Spectroscopic Parameters

Journal of Magnetic Resonance, 2000
In a paper on spectroscopic imaging published in this journal Spielman et al. (J. Magn. Reson. 79, 66-77 (1988)) made the important point that a priori information about the compounds present can and should be incorporated into the estimation of spectroscopic signal parameters.
Petre Stoica, Tomas Sundin
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Exact Estimates for Potentials

SIAM Journal on Mathematical Analysis, 1988
In this note the author characterizes the potential functions, V(x)\(\geq 0\), defined on \({\mathbb{R}}^ n\), satisfying quadratic estimates: \((Vu,u)\leq C_{\lambda}(\| \nabla u\|^ 2+\lambda^ 2\| u\|^ 2),\) for u in \(C_ 0({\mathbb{R}}^ n)\). He gives the value of the best constant: \(C_{\lambda}=C_{\lambda}(V)\) and applies this to the spectral ...
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The Exact Distribution of the SUR Estimator

Econometrica, 1985
This paper derives the exact finite sample distribution of the two-stage generalized least squares estimator in a multivariate linear model with general linear parameter restrictions. This includes the seemingly unrelated regression model as a special case and generalizes presently known exact results for the latter system.
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