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Nathaniel E. Helwig, Ph.D. - Publications

Affiliations: 
2013 Psychology University of Illinois, Urbana-Champaign, Urbana-Champaign, IL 
Area:
Psychometrics Psychology, Statistics, Computer Science
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13 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Helwig NE. Spectrally Sparse Nonparametric Regression via Elastic Net Regularized Smoothers Journal of Computational and Graphical Statistics. 1-22. DOI: 10.1080/10618600.2020.1806855  0.31
2019 Helwig NE, Snodgress MA. Exploring individual and group differences in latent brain networks using cross-validated simultaneous component analysis. Neuroimage. 201: 116019. PMID 31319181 DOI: 10.1016/J.Neuroimage.2019.116019  0.336
2016 Helwig NE. Estimating latent trends in multivariate longitudinal data via Parafac2 with functional and structural constraints. Biometrical Journal. Biometrische Zeitschrift. PMID 28025850 DOI: 10.1002/Bimj.201600045  0.314
2016 Helwig NE, Shorter KA, Ma P, Hsiao-Wecksler ET. Smoothing spline analysis of variance models: A new tool for the analysis of cyclic biomechanical data. Journal of Biomechanics. PMID 27553848 DOI: 10.1016/J.Jbiomech.2016.07.035  0.466
2016 Abram SV, Helwig NE, Moodie CA, DeYoung CG, MacDonald AW, Waller NG. Bootstrap Enhanced Penalized Regression for Variable Selection with Neuroimaging Data. Frontiers in Neuroscience. 10: 344. PMID 27516732 DOI: 10.3389/Fnins.2016.00344  0.351
2016 Helwig NE, Ma P. Smoothing spline ANOVA for super-large samples: scalable computation via rounding parameters Statistics and Its Interface. 9: 433-444. DOI: 10.4310/Sii.2016.V9.N4.A3  0.392
2015 Helwig NE, Ma P. Fast and Stable Multiple Smoothing Parameter Selection in Smoothing Spline Analysis of Variance Models With Large Samples Journal of Computational and Graphical Statistics. 24: 715-732. DOI: 10.1080/10618600.2014.926819  0.446
2015 Helwig NE, Gao Y, Wang S, Ma P. Analyzing spatiotemporal trends in social media data via smoothing spline analysis of variance Spatial Statistics. 14: 491-504. DOI: 10.1016/J.Spasta.2015.09.002  0.424
2015 Helwig NE. Efficient estimation of variance components in nonparametric mixed-effects models with large samples Statistics and Computing. DOI: 10.1007/S11222-015-9610-5  0.352
2013 Helwig NE. The special sign indeterminacy of the direct-fitting Parafac2 model: some implications, cautions, and recommendations for simultaneous component analysis. Psychometrika. 78: 725-39. PMID 24092486 DOI: 10.1007/S11336-013-9331-7  0.333
2013 Helwig NE, Hong S, Bokhari E. Analyzing individual and group differences in multijoint multiwaveform gait data using the Parafac2 model. International Journal For Numerical Methods in Biomedical Engineering. 29: 62-82. PMID 23293069 DOI: 10.1002/Cnm.2492  0.358
2013 Helwig NE, Hong S. A critique of Tensor Probabilistic Independent Component Analysis: implications and recommendations for multi-subject fMRI data analysis. Journal of Neuroscience Methods. 213: 263-73. PMID 23274733 DOI: 10.1016/J.Jneumeth.2012.12.009  0.352
2012 Helwig NE, Hong S, Polk JD. Parallel Factor Analysis of gait waveform data: A multimode extension of Principal Component Analysis. Human Movement Science. 31: 630-48. PMID 21925756 DOI: 10.1016/J.Humov.2011.06.011  0.349
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