Can we define a best estimator in simple 1-D cases ?With a small number of measurements, the three most well known estimators of a single parameter give very different results when estimating a scale parameter. A transformation of this scale parameter…Eric Lantz, Francois Vernotte·Dec 18, 2012SaveLearn
Parametric sensitivity analysis of a test cell thermal model using spectral analysisThe paper deals with an empirical validation of a building thermal model. We put the emphasis on sensitivity analysis and on research of inputs/residual correlation to improve our model. In this…Thierry Alex Mara, Harry Boyer, François Garde·Dec 18, 2012SaveLearn
Forecasting the underlying potential governing the time series of a dynamical systemWe introduce a technique of time series analysis, potential forecasting, which is based on dynamical propagation of the probability density of time series. We employ polynomial coefficients of the…V. N. Livina, G. Lohmann, M. Mudelsee et al.·Dec 17, 2012SaveLearn
Identification of parameters in building concentration dispersion modelThe aim of this work is to simulate the pollutants transport in buildings. Focusing mainly on the presence of CO2, firstly we resolve the airflow equations for two typical validation cases, the Rao…D. Calogine, H. Boyer, S. Ndoumbe et al.·Dec 17, 2012SaveLearn
Empirical validation of the thermal model of a passive solar cell testThe paper deals with an empirical validation of a building thermal model. We put the emphasis on sensitivity analysis and on research of inputs/residual correlation to improve our model. In this…T. A. Mara, F. Garde, H. Boyer et al.·Dec 17, 2012SaveLearn
Event plane resolution correction for azimuthal anisotropy in wide centrality binsWe provide a method to correct the observed azimuthal anisotropy in heavy-ion collisions for the event plane resolution in a wide centrality bin. This new procedure is especially useful for rare…Hiroshi Masui, Alexander Schmah, Art Poskanzer·Dec 15, 2012SaveLearn
Multifractal analysis of sentence lengths in English literary textsThis paper presents analysis of 30 literary texts written in English by different authors. For each text, there were created time series representing length of sentences in words and analyzed its…Iwona Grabska-Gradzińska, Andrzej Kulig, Jarosław Kwapień et al.·Dec 13, 2012SaveLearn
Towards the full information chain theory: answer depth and source modelsA problem of optimal information acquisition for its use in general decision making problems is considered. This motivates the need for developing quantitative measures of information sources'…Eugene Perevalov, David Grace·Dec 12, 2012SaveLearn
Towards the full information chain theory: question difficultyA general problem of optimal information acquisition for its use in decision making problems is considered. This motivates the need for developing quantitative measures of information sources'…Eugene Perevalov, David Grace·Dec 12, 2012SaveLearn
Move-by-move dynamics of the advantage in chess matches reveals population-level learning of the gameThe complexity of chess matches has attracted broad interest since its invention. This complexity and the availability of large number of recorded matches make chess an ideal model systems for the…H. V. Ribeiro, R. S. Mendes, E. K. Lenzi et al.·Dec 12, 2012SaveLearn
Characterization of nanostructured material images using fractal descriptorsThis work presents a methodology to the morphology analysis and characterization of nanostructured material images acquired from FEG-SEM (Field Emission Gun-Scanning Electron Microscopy) technique.…João B. Florindo, Mariana S. Sikora, Ernesto C. Pereira et al.·Dec 11, 2012SaveLearn
Filters for High Rate Pulse ProcessingWe introduce a filter-construction method for pulse processing that differs in two respects from that in standard optimal filtering, in which the average pulse shape and noise-power spectral density…B. K. Alpert, R. D. Horansky, D. A. Bennett et al.·Dec 7, 2012SaveLearn
The Greek Public Debt Path: From Zero to InfinityThe aim of the present article is to treat the Greek public debt issue strictly as a curve fitting problem. Thus, based on Eurostat data and using the Mathematica technical computing software, an…Dimitris Sardelis·Dec 7, 2012SaveLearn
Effect of detrending on multifractal characteristicsDifferent variants of MFDFA technique are applied in order to investigate various (artificial and real-world) time series. Our analysis shows that the calculated singularity spectra are very…P. Oświęcimka, S. Drożdż, J. Kwapień et al.·Dec 3, 2012SaveLearn
Persistence and periodicity in a dynamic proximity networkThe topology of social networks can be understood as being inherently dynamic, with edges having a distinct position in time. Most characterizations of dynamic networks discretize time by converting…Aaron Clauset, Nathan Eagle·Nov 30, 2012SaveLearn
Signal recognition and adapted filtering by non-commutative tomographyTomograms, a generalization of the Radon transform to arbitrary pairs of non-commuting operators, are positive bilinear transforms with a rigorous probabilistic interpretation which provide a full…Carlos Aguirre, R. Vilela Mendes·Nov 26, 2012SaveLearn
The relation between frequentist confidence intervals and Bayesian credible intervalsWe investigate the relation between frequentist and Bayesian approaches. Namely, we find the "frequentist" Bayes prior πf(λ,xobs) = -∫-∞xobs∂…S. I. Bitioukov, N. V. Krasnikov·Nov 14, 2012SaveLearn
Testing time series irreversibility using complex network methodsThe absence of time-reversal symmetry is a fundamental property of many nonlinear time series. Here, we propose a new set of statistical tests for time series irreversibility based on standard and…Jonathan F. Donges, Reik V. Donner, Jürgen Kurths·Nov 6, 2012SaveLearn
Surprisingly Rational: Probability theory plus noise explains biases in judgmentThe systematic biases seen in people's probability judgments are typically taken as evidence that people do not reason about probability using the rules of probability theory, but instead use…Fintan Costello, Paul Watts·Nov 1, 2012SaveLearn
Derivative-variable correlation reveals the structure of dynamical networksWe propose a conceptually novel method of reconstructing the topology of dynamical networks. By examining the correlation between the variable of one node and the derivative of another node, we…Zoran Levnajić·Oct 28, 2012SaveLearn
Uncovering wind turbine properties through two-dimensional stochastic modeling of wind dynamicsUsing a method for stochastic data analysis, borrowed from statistical physics, we analyze synthetic data from a Markov chain model that reproduces measurements of wind speed and power production in…Frank Raischel, Teresa Scholz, Vitor V. Lopes et al.·Oct 26, 2012SaveLearn
Constraints on Yield Parameters in Extended Maximum Likelihood FitsThe method of extended maximum likelihood is a well known concept of parameter estimation. One can implement external knowledge on the unknown parameters by multiplying the likelihood by constraint…Till Moritz Karbach, Maximilian Schlupp·Oct 26, 2012SaveLearn
Asymptotic distribution for two-sided tests with lower and upper boundaries on the parameter of interestWe present the asymptotic distribution for two-sided tests based on the profile likelihood ratio with lower and upper boundaries on the parameter of interest. This situation is relevant for branching…Glen Cowan, Kyle Cranmer, Eilam Gross et al.·Oct 25, 2012SaveLearn
The optimal division between sample and background measurement time for photon counting experimentsUsually, equal time is given to measuring the background and the sample, or even a longer background measurement is taken as it has so few counts. While this seems the right thing to do, the relative…Brian Richard Pauw, Samuel Tardif·Oct 19, 2012SaveLearn
Improvements and considerations for size distribution retrieval from small-angle scattering data by Monte-Carlo methodsMonte-Carlo (MC) methods, based on random updates and the trial-and-error principle, are well suited to retrieve particle size distributions from small-angle scattering patterns of dilute solutions…Brian Richard Pauw, Jan-Skov Pedersen, Samuel Tardif et al.·Oct 19, 2012SaveLearn