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Data Analysis papers — page 106

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Nonadditive entropy: the concept and its use
The entropic form Sq is, for any q ≠ 1, nonadditive. Indeed, for two probabilistically independent subsystems, it satisfies $Sq(A+B)/k=[Sq(A)/k]+[Sq(B)/k]+(1-q)[Sq(A)/k][Sq(B)/k]…
Constantino TsallisDec 23, 2008
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Content-based and Algorithmic Classifications of Journals: Perspectives on the Dynamics of Scientific Communication and Indexer Effects
The aggregated journal-journal citation matrix -based on the Journal Citation Reports (JCR) of the Science Citation Index- can be decomposed by indexers and/or algorithmically. In this study, we test…
Ismael Rafols, Loet LeydesdorffDec 23, 2008
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Generalized Exponential Function and some of its Applications to Complex Systems
From the integration of non-symmetrical hyperboles, a one-parameter generalization of the logarithmic function is obtained. Inverting this function, one obtains the generalized exponential function.…
Alexandre Souto Martinez, Rodrigo Silva Gonzalez, Cesar Augusto Sangaletti TercariolDec 16, 2008
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Spectral tripartitioning of networks
We formulate a spectral graph-partitioning algorithm that uses the two leading eigenvectors of the matrix corresponding to a selected quality function to split a network into three communities in a…
Thomas Richardson, Peter J. Mucha, Mason A. PorterDec 15, 2008
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Applying Bayesian Neural Network to Determine Neutrino Incoming Direction in Reactor Neutrino Experiments and Supernova Explosion Location by Scintillator Detectors
In the paper, it is discussed by using Monte-Carlo simulation that the Bayesian Neural Network(BNN) is applied to determine neutrino incoming direction in reactor neutrino experiments and supernova…
Weiwei Xu, Ye Xu, Yixiong Meng et al.Dec 15, 2008
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On Statistical Significance of Signal
A definition for the statistical significance of a signal in an experiment is proposed by establishing a correlation between the observed p-value and the normal distribution integral probability,…
Yong-Sheng ZhuDec 15, 2008
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Bayesian credible interval construction for Poisson statistics
The construction of the Bayesian credible (confidence) interval for a Poisson observable including both the signal and background with and without systematic uncertainties is presented. Introducing…
Yong-Sheng ZhuDec 15, 2008
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Enhanced Wavelet Analysis of Solar Magnetic Activity with Comparison to Global Temperature and the Central England Temperature Record
The continuous wavelet transform may be enhanced by deconvolution with the wavelet response function. After correcting for the cone-of-influence, the power spectral density of the solar magnetic…
Robert W. JohnsonDec 12, 2008
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Surrogates with random Fourier Phases
The method of surrogates is widely used in the field of nonlinear data analysis for testing for weak nonlinearities. The two most commonly used algorithms for generating surrogates are the amplitude…
Christoph Raeth, Roberto A. MonettiDec 12, 2008
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RooStatsCms: a tool for analyses modelling, combination and statistical studies
The RooStatsCms (RSC) software framework allows analysis modelling and combination, statistical studies together with the access to sophisticated graphics routines for results visualisation. The goal…
D. Piparo, Gregory Schott, G. QuastDec 11, 2008
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Analysis of Discrete Signals with Stochastic Components using Flicker Noise Spectroscopy
The problem of information extraction from discrete stochastic time series, produced with some finite sampling frequency, using flicker-noise spectroscopy, a general framework for information…
Serge F. Timashev, Yuriy S. PolyakovDec 11, 2008
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Using the Notion of Copula in Tomography
In 1917 Johann Radon introduced the Radon transform which is used in 1963 by A. M. Cormack for application in the context of tomographic image reconstruction. He proposed to reconstruct the spatial…
Doriano-Boris Pougaza, A. Mohammad-Djafari, Jean-François BercherDec 6, 2008
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Mathematical Framework for Fast and Rigorous Track Fit for the ZEUS Detector
In this note we present a mathematical framework for a rigorous approach to a common track fit for trackers located in the inner region of the ZEUS detector. The approach makes use of the Kalman…
Alexander SpiridonovDec 5, 2008
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Detection of node group membership in networks with group overlap
Most networks found in social and biochemical systems have modular structures. An important question prompted by the modularity of these networks is whether nodes can be said to belong to a single…
Erin N. Sawardecker, Marta Sales-Pardo, Luís A. Nunes AmaralDec 5, 2008
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PDE-Foam - a probability-density estimation method using self-adapting phase-space binning
Probability Density Estimation (PDE) is a multivariate discrimination technique based on sampling signal and background densities defined by event samples from data or Monte-Carlo (MC) simulations in…
Dominik Dannheim, Tancredi Carli, Karl-Johan Grahn et al.Dec 4, 2008
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Introducing the q-Theil index
Starting from the idea of Tsallis on non-extensive statistical mechanics and the q-entropy notion, we recall the Theil index Th and transform it into the Thq index. Both indices can be…
Marcel Ausloos, Janusz MiskiewiczDec 4, 2008
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Review of Flicker Noise Spectroscopy in Electrochemistry
This review presents the fundamentals of Flicker-Noise Spectroscopy (FNS), a general phenomenological methodology in which the dynamics and structure of complex systems, characterized by nonlinear…
Serge F. Timashev, Yuriy S. PolyakovNov 28, 2008
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The Correlation Function of Multiple Dependent Poisson Processes Generated by the Alternating Renewal Process Method
We derive conditions under which alternating renewal processes can be used to construct correlated Poisson processes. The pairwise correlation function is also derived, showing that the resulting…
Don H. JohnsonNov 22, 2008
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The Fisher's information and quantum-classical field theory: classical statistics similarity
The classical statistics indication for the impossibility to derive quantum mechanics from classical mechanics is proved. The formalism of the statistical Fisher information is used. Next the Fisher…
Jacek SyskaNov 21, 2008
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Likelihood method and Fisher information in construction of physical models
The subjects of the paper are the likelihood method (LM) and the expected Fisher information (FI) considered from the point od view of the construction of the physical models which originate in the…
E. W. Piotrowski, J. Sladkowski, J. Syska et al.Nov 21, 2008
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Statistical analysis of wind speed fluctuation and increments of non-stationary atmospheric boundary layer turbulence
We study the statistics of the horizontal component of atmospheric boundary layer wind speed. Motivated by its non-stationarity, we investigate which parameters remain constant or can be regarded as…
T. Laubrich, F. Ghasemi, J. Peinke et al.Nov 20, 2008
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Functional modularity of background activities in normal and epileptic brain networks
We analyze the connectivity structure of weighted brain networks extracted from spontaneous magnetoencephalographic (MEG) signals of healthy subjects and epileptic patients (suffering from absence…
M. Chavez, M. Valencia, V. Navarro et al.Nov 19, 2008
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Evolutionary Construction of Geographical Networks with Nearly Optimal Robustness and Efficient Routing Properties
Robust and efficient design of networks on a realistic geographical space is one of the important issues for the realization of dependable communication systems. In this paper, based on a percolation…
Yukio HayashiNov 18, 2008
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A model of underground ridership during the severe outbreaks of the SARS epidemic in a modern city
The outbreaks of the severe acute respiratory syndrome (SARS) epidemic in 2003 resulted in unprecedented impacts on people's daily life. One of the most significant impacts to people is the risk…
Kuo-Ying WangNov 15, 2008
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Introducing doubt in Bayesian model comparison
There are things we know, things we know we don't know, and then there are things we don't know we don't know. In this paper we address the latter two issues in a Bayesian framework,…
Glenn D Starkman, Roberto Trotta, Pascal M VaudrevangeNov 14, 2008
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