ModelArray: An R package for statistical analysis of fixel-wise data.
Big data
Development
Fixel-based analysis
MRI
Software
Statistical analysis
Journal
NeuroImage
ISSN: 1095-9572
Titre abrégé: Neuroimage
Pays: United States
ID NLM: 9215515
Informations de publication
Date de publication:
01 05 2023
01 05 2023
Historique:
received:
11
07
2022
revised:
08
03
2023
accepted:
14
03
2023
medline:
7
4
2023
pubmed:
18
3
2023
entrez:
17
3
2023
Statut:
ppublish
Résumé
Diffusion MRI is the dominant non-invasive imaging method used to characterize white matter organization in health and disease. Increasingly, fiber-specific properties within a voxel are analyzed using fixels. While tools for conducting statistical analyses of fixel-wise data exist, currently available tools support only a limited number of statistical models. Here we introduce ModelArray, an R package for mass-univariate statistical analysis of fixel-wise data. At present, ModelArray supports linear models as well as generalized additive models (GAMs), which are particularly useful for studying nonlinear effects in lifespan data. In addition, ModelArray also aims for scalable analysis. With only several lines of code, even large fixel-wise datasets can be analyzed using a standard personal computer. Detailed memory profiling revealed that ModelArray required only limited memory even for large datasets. As an example, we applied ModelArray to fixel-wise data derived from diffusion images acquired as part of the Philadelphia Neurodevelopmental Cohort (n = 938). ModelArray revealed anticipated nonlinear developmental effects in white matter. Moving forward, ModelArray is supported by an open-source software development model that can incorporate additional statistical models and other imaging data types. Taken together, ModelArray provides a flexible and efficient platform for statistical analysis of fixel-wise data.
Identifiants
pubmed: 36931330
pii: S1053-8119(23)00183-0
doi: 10.1016/j.neuroimage.2023.120037
pmc: PMC10119782
mid: NIHMS1888963
pii:
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
120037Subventions
Organisme : NIMH NIH HHS
ID : RF1 MH121867
Pays : United States
Organisme : NIMH NIH HHS
ID : R37 MH125829
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH123550
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH120482
Pays : United States
Organisme : NIMH NIH HHS
ID : RF1 MH116920
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH113550
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH120174
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS085211
Pays : United States
Organisme : NIDCD NIH HHS
ID : T32 DC000038
Pays : United States
Organisme : NIMH NIH HHS
ID : K99 MH127293
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH119185
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH112847
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB022573
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS112274
Pays : United States
Informations de copyright
Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved.
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