Biostatistics Theses and Dissertations

Theses and Dissertations for the Biostatistics department.

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Description:: The random forest algorithm is a popular non-parametric alternative to more parametric approaches when building risk prediction models. In short, the algorithm averages predictions from …
Year:: 2019
Contributor:: Zhang, Yimo (creator); Liu, Tao (Reader); Steingrimsson, Jon (Advisor); Brown University. Department of Biostatistics (sponsor)
Genre:: theses
Subject:: Machine learning--Statistical methods
Collection:: Public Health; Biostatistics; Theses and Dissertations

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Description:: Background: Diagnostic models are useless unless they are valid in the population to which they are applied. The validity of a model often involves measures …
Year:: 2021
Contributor:: Vu, My (creator); Schmid, Christopher (Advisor); Levine, Adam (Reader); Brown University. Department of Biostatistics (sponsor)
Genre:: theses
Subject:: Machine learning--Statistical methods; Calibration--Statistical methods; Regression analysis
Collection:: Public Health; Biostatistics; Theses and Dissertations

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Description:: Background: Prognostic prediction has empirically proven to be a highly effective paradigm that is radically reshaping public health, clinical medicine, and healthcare as a domain. …
Year:: 2019
Contributor:: Kimaina, Allan Kendagor (creator); Hogan, Joseph (Advisor); Chrysanthopoulou, Stavroula (Reader); Kantor, Rami (Reader); DeLong, Allison (Reader); Dick, Jonathan (Reader); Brown University. Department of Biostatistics (sponsor)
Genre:: theses
Subject:: Machine Learning; Big data; HIV; GBM; Personalized medicine; xgboost; bart; stacked ensemble; superlearner; Prognostic prediction; virologic failure; virologic rebound; virologic suppression; Machine learning--Statistical methods
Collection:: Public Health; Biostatistics; Theses and Dissertations

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Description:: This study aims to investigate predictive power of resting-state functional magnetic resonance imaging (fMRI) data for behavior. To this end, we implement and compare multiple …
Year:: 2023
Contributor:: Zhao, Yifan (creator); Eloyan, Ani (Advisor); Nassar, Matt (Reader); Brown University. Department of Biostatistics (sponsor)
Genre:: theses
Subject:: neuroimaging; fmri; Machine learning--Statistical methods; Functional Connectivity
Collection:: Public Health; Biostatistics; Theses and Dissertations

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