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Efficient construction of linear models in materials modeling and applications to force constant expansions [article]

Erik Fransson, Fredrik Eriksson, Paul Erhart
2020 arXiv   pre-print
Generic feature selection algorithms such as recursive feature elimination with ordinary least-squares (OLS), automatic relevance determination regression, and the adaptive least absolute shrinkage and  ...  Linear models, such as force constant (FC) and cluster expansions, play a key role in physics and materials science.  ...  ACKNOWLEDGMENTS This work was funded by the Knut and Alice Wallenberg Foundation (2014.0226), the Swedish Research Council (2015-04153, 2018-06482), and the Swedish Foundation for Strategic Research (RMA15  ... 
arXiv:1902.01271v3 fatcat:gungn3sow5fyjoge7jqtp2qyb4

Efficient construction of linear models in materials modeling and applications to force constant expansions

Erik Fransson, Fredrik Eriksson, Paul Erhart
2020 npj Computational Materials  
Generic feature selection algorithms such as recursive feature elimination with ordinary least-squares (OLS), automatic relevance determination regression, and the adaptive least absolute shrinkage and  ...  Linear models, such as force constant (FC) and cluster expansions, play a key role in physics and materials science.  ...  Accordingly linear regression techniques have been applied including ordinary least squares (OLS) 1,20-22 , LASSO 5 , and split-Bregman 7,9 .  ... 
doi:10.1038/s41524-020-00404-5 fatcat:2dovhcbygfavfi2xcibkfcr36q

Bed form initiation from a flat sand bed

Jeremy G. Venditti
2005 Journal of Geophysical Research  
F01009 Research Council of Canada (NSERC) Postgraduate Scholarship and a Research Assistantship provided through a NSERC Discovery Grant to M.C. Funds for the experiments were provided by the U.S.  ...  Department of Agriculture and NSERC. The video image frame grabber was purchased using a Ph.D. Research Grant from the American Association of Geographers -Geomorphology Specialty Group. J. Cox, J.  ...  At-a-point U velocities were plotted as a function of height above the bed z and least squares regression was used to determine the roughness height z o as the z intercept.  ... 
doi:10.1029/2004jf000149 fatcat:tgukpbw7ynccxgkyvyqjc2an3m

Power-laws and the Conservation of Information in discrete token systems: Part 2 The role of defect [article]

Les Hatton
2012 arXiv   pre-print
In this part 2, the role of defect will be explored and a functional behaviour for defect derived to be consistent with the power-law behaviour substantiated above.  ...  This will be supported by further experimental data and the implications explored.  ...  The Eclipse defect data were carefully extracted and made available by Professor Andreas Zeller and his team at Saarland University.  ... 
arXiv:1209.1652v1 fatcat:pouv3tk7ovbcfgckutvqqzcu6u

A Bayesian parallel site methodology with an application to uniformity modeling in semiconductor manufacturing

Joel S. Fenner, Young-Seon Jeong, Myong K. Jeong, Jye-Chyi Lu
2009 IIE Transactions  
The case study on the uniformity modeling (across the different dies on a silicon wafer, across slots in a furnace, etc.) illustrates how the hierarchy of a Bayesian model can be used to incorporate 1  ...  The increasing use of standard machines in manufacturing processes provides opportunities for sharing information from similar operations to improve the accuracy of process-model characterization for supporting  ...  Acknowledgement We thank the anonymous reviewers for their constructive comments. This research was supported by the National Science Foundation grant CMMI-0644830.  ... 
doi:10.1080/07408170902789043 fatcat:5zmc323ydfgm7h7lyqgq7uwl5m

Genetic and epidemiological studies of clubfoot in Hawaii: ascertainment and incidence

G H Ching, C S Chung, R W Nemechek
1969 American Journal of Human Genetics  
Depending on one's clinical experience, the word has been used as meaning talipes equinovarus or several specific or nonspecific foot abnormalities. For our purpose, we will consider clubfoot as  ...  Mi for letting us use the regression program SUPEREG. Dr. Sorrell H. Waxman kindly extended his assistance in getting us an access to Kapiolani Hospital records.  ...  Morton of the Population Genetics Laboratory for stimulating discussion and making the base population data available for this study. We also thank Dr. M. P.  ... 
pmid:5365759 pmcid:PMC1706481 fatcat:uaazgszihzh5bjdp7m6pf6tf4u

Magic Angles and Cross-Hatching Instability in Hydrogel Fracture

T. Baumberger, C. Caroli, D. Martina, O. Ronsin
2008 Physical Review Letters  
angles and nucleated on crack-pinning network inhomogeneities.  ...  roughness at V-independent symmetry-preserving angles, (ii) a sub-critical instability leading, below a critical velocity, to a cross-hatched regime due to straight macrosteps drifting at the same magic  ...  The smallness of ǫ m justifies our approximating G by G 0 in this estimate and explains the quasi-constancy of ηV c .  ... 
doi:10.1103/physrevlett.100.178303 pmid:18518345 fatcat:2cyg5omfp5dfbge3t64owe63qy

Automatic recognition of emotion evoked by general sound events

Bjorn Schuller, Simone Hantke, Felix Weninger, Wenjing Han, Zixing Zhang, Shrikanth Narayanan
2012 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
To establish a reliable ground truth, we compare mean and median of four annotators with their evaluator weighted estimator.  ...  Without a doubt there is emotion in sound. So far, however, research efforts have focused on emotion in speech and music despite many applications in emotion-sensitive sound retrieval.  ...  SCHU 2508/2 and the Chinese Research Council. The authors would further like to thank Jun Deng (TUM) and Masao Yamagiahi (Tokio Institute of Technology) for their contributions.  ... 
doi:10.1109/icassp.2012.6287886 dblp:conf/icassp/SchullerHWHZN12 fatcat:jts7iuc7qnci5dorco554jos7y

Comparative barrier membrane degradation over time: Pericardium versus dermal membranes

Fabien Bornert, Valentin Herber, Rebecca Sandgren, Lukasz Witek, Paulo G Coelho, Benjamin E Pippenger, Shakeel Shahdad
2021 Clinical and Experimental Dental Research  
Histological analysis was performed after 4, 8, and 12 weeks of healing and the amount of residual membrane evaluated. Non-inferiority was calculated using the Brunner-Langer mixed regression model.  ...  The defects were filled with a bovine xenograft and covered with a either the bilayer collagen membrane (control) or the porcine pericardium-derived collagen membrane (test).  ...  Leticia Grize (Swiss Tropical and Public Health Institute, Basel, Switzerland), who performed the statistical analysis for this investigation.  ... 
doi:10.1002/cre2.414 pmid:33949796 pmcid:PMC8543466 fatcat:dlrauqha55aopnxg3om2fflspi

A generalized Anderson–Darling test for the goodness-of-fit evaluation of the fracture strain distribution of acrylic glass

Marcel Berlinger, Stefan Kolling, Jens Schneider
2021 Glass Structures & Engineering  
For the latter, this work presents an experimental and mathematical methodology.  ...  For the assignment of an occurrence probability to each experiment, an evaluation of existing probability estimators is conducted, concerning their ability to fit selected probability distribution functions  ...  Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long  ... 
doi:10.1007/s40940-021-00149-7 fatcat:dj4x52vgm5eqlh4gwn7ot75qra

Retrospectives: The Introduction of the Cobb–Douglas Regression

Jeff Biddle
2012 Journal of Economic Perspectives  
Second, Douglas's use of least squares regression, as well as correlation Second, Douglas's use of least squares regression, as well as correlation coeffi cients and indexes, placed him at the cutting  ...  regression, was an idea using the Cobb-Douglas functional form and least squares regression, was an overwhelming success. overwhelming success.  ... 
doi:10.1257/jep.26.2.223 fatcat:vtgwrkbiffdz3gp3lnygzdnzai

Least squares 3D surface and curve matching

Armin Gruen, Devrim Akca
2005 ISPRS journal of photogrammetry and remote sensing (Print)  
This surface matching technique is a generalization of the least squares image matching concept and offers high flexibility for any kind of 3D surface correspondence problem, as well as statistical tools  ...  Our proposed method estimates the transformation parameters of one or more 3D search surfaces with respect to a 3D template surface, using the Generalized Gauss-Markoff model, minimizing the sum of squares  ...  Nicola D'Apuzzo for providing the face surface data sets, which were measured with of his software Viewtriplet GTK v0.9©.  ... 
doi:10.1016/j.isprsjprs.2005.02.006 fatcat:rbcdcvdzobd63ci4xvhtda3bpm

Current Trends and Applications of Machine Learning in Tribology—A Review

Max Marian, Stephan Tremmel
2021 Lubricants  
Thus, researchers and R&D engineers shall be inspired and supported in the identification and selection of suitable and promising ML approaches and strategies.  ...  and processes.  ...  Acknowledgments: The authors kindly acknowledge the continuous support of Friedrich-Alexander-University Erlangen-Nuremberg (FAU) and University of Bayreuth, Germany.  ... 
doi:10.3390/lubricants9090086 fatcat:mnghebzl3nae3my5ad7cuowiny

Bootstrapping the Information Matrix Test

Christopher Stomberg, Halbert L. White, Jr.
2000 Social Science Research Network  
Using linear regression and probit models, we extend the range of previous analysis in a manner that reveals new patterns in the behavior of the asymptotic version of the IM test -particularly with respect  ...  Using linear regression and probit models, we extend the range of previous analysis in a manner that reveals new patterns in the behavior of the asymptotic version of the IM testparticularly with respect  ...  Tables 1 and 2 summarize the results of Monte Carlo experiments using asympototic critical values for the linear and probit regression models.  ... 
doi:10.2139/ssrn.236990 fatcat:yqcvnikogvckzhtiajfnvnrphq

Regression analysis with missing data and unknown colored noise: Application to the MICROSCOPE space mission

Quentin Baghi, Gilles Métris, Joël Bergé, Bruno Christophe, Pierre Touboul, Manuel Rodrigues
2015 Physical Review D  
The method is based on an autoregressive (AR) fit of the noise, which allows us to build an approximate generalized least squares estimator approaching the minimal variance bound.  ...  We present a regression method which cancels this effect and estimates the parameters of interest with a precision comparable to the complete data case, even if the noise power spectral density (PSD) is  ...  ACKNOWLEDGMENTS The authors would like to thank all the members of the MICROSCOPE Performance team, as well as Sandrine Pires and Jean-Philippe Ovarlez, for fruitful discussions.  ... 
doi:10.1103/physrevd.91.062003 fatcat:uzaylyei7nfl7glh367p7zmoeu
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