Meta-matching as a simple framework to translate phenotypic predictive models from big to small data. He, T., An, L., Chen, P., Chen, J., Feng, J., Bzdok, D., Holmes, A. J., Eickhoff, S. B., & Yeo, B. T. T. Nature Neuroscience, May, 2022. Publisher: Nature Publishing Group
Paper doi abstract bibtex We propose a simple framework—meta-matching—to translate predictive models from large-scale datasets to new unseen non-brain-imaging phenotypes in small-scale studies. The key consideration is that a unique phenotype from a boutique study likely correlates with (but is not the same as) related phenotypes in some large-scale dataset. Meta-matching exploits these correlations to boost prediction in the boutique study. We apply meta-matching to predict non-brain-imaging phenotypes from resting-state functional connectivity. Using the UK Biobank (N = 36,848) and Human Connectome Project (HCP) (N = 1,019) datasets, we demonstrate that meta-matching can greatly boost the prediction of new phenotypes in small independent datasets in many scenarios. For example, translating a UK Biobank model to 100 HCP participants yields an eight-fold improvement in variance explained with an average absolute gain of 4.0% (minimum = −0.2%, maximum = 16.0%) across 35 phenotypes. With a growing number of large-scale datasets collecting increasingly diverse phenotypes, our results represent a lower bound on the potential of meta-matching.
@article{he_meta-matching_2022,
title = {Meta-matching as a simple framework to translate phenotypic predictive models from big to small data},
copyright = {2022 The Author(s), under exclusive licence to Springer Nature America, Inc.},
issn = {1546-1726},
url = {https://www.nature.com/articles/s41593-022-01059-9},
doi = {10.1038/s41593-022-01059-9},
abstract = {We propose a simple framework—meta-matching—to translate predictive models from large-scale datasets to new unseen non-brain-imaging phenotypes in small-scale studies. The key consideration is that a unique phenotype from a boutique study likely correlates with (but is not the same as) related phenotypes in some large-scale dataset. Meta-matching exploits these correlations to boost prediction in the boutique study. We apply meta-matching to predict non-brain-imaging phenotypes from resting-state functional connectivity. Using the UK Biobank (N = 36,848) and Human Connectome Project (HCP) (N = 1,019) datasets, we demonstrate that meta-matching can greatly boost the prediction of new phenotypes in small independent datasets in many scenarios. For example, translating a UK Biobank model to 100 HCP participants yields an eight-fold improvement in variance explained with an average absolute gain of 4.0\% (minimum = −0.2\%, maximum = 16.0\%) across 35 phenotypes. With a growing number of large-scale datasets collecting increasingly diverse phenotypes, our results represent a lower bound on the potential of meta-matching.},
language = {en},
urldate = {2022-05-19},
journal = {Nature Neuroscience},
author = {He, Tong and An, Lijun and Chen, Pansheng and Chen, Jianzhong and Feng, Jiashi and Bzdok, Danilo and Holmes, Avram J. and Eickhoff, Simon B. and Yeo, B. T. Thomas},
month = may,
year = {2022},
note = {Publisher: Nature Publishing Group},
keywords = {Cognitive neuroscience, Network models},
pages = {1--10},
}
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