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Distinguishing between a true period and its alias, and other tasks of model discrimination
Distinguishing alias model discrimination data analysis statistical surveys
2012/2/24
We consider the task of distinguishing between two different alternative models that can roughly equally explain observed time series data, mainly focusing on the period ambiguity case (aliasing). We ...
A Bayesian Surrogate Model for Rapid Time Series Analysis and Application to Exoplanet Observations
statistics: Bayesian model comparison model selection periodogram numerical methods
2011/10/14
We present a Bayesian surrogate model for the analysis of periodic or quasi-periodic time series data. We describe a computationally efficient implementation that enables Bayesian model comparison. We...
A Model Independent Method to Study Dark Matter induced Leptons and Gamma rays
A Model Independent Method to Study Dark Matter induced Leptons and Gamma rays
2011/10/17
We propose a novel method to directly determine dark matter induced electron/positron spectrum at the source from experimental measurements at the earth, without reference to specific particle physics...
Angular momentum in cluster Spherical Collapse Model
cosmology: large scale structure – galaxies: clusters: general – galaxies: kine-matics and dynamics
2011/10/8
Our new formulation of the Spherical Collapse Model (SCM-L) takes into account the presence of angular momentum associated with the motion of galaxy groups infalling towards the centre of galaxy clust...
Analogue-dynamical Prediction of Numerical Model Errors in the Mid-Lower Reaches of the Yangtze River
-Principal Component Analysis Numerical Model Errors Analogue-dynamical Prediction
2011/9/30
A new prediction error correction scheme based on 74 circulation characteristics data provided by Weather Diagnostic Forecasting Division of National Climate Center, which is designed to develop the O...