Search Results for author: Jaan Altosaar

Found 8 papers, 4 papers with code

Assessing Phenotype Definitions for Algorithmic Fairness

no code implementations10 Mar 2022 Tony Y. Sun, Shreyas Bhave, Jaan Altosaar, Noémie Elhadad

While there are multiple potential sources of bias when constructing phenotype definitions which may affect their fairness, it is not standard in the field of phenotyping to consider the impact of different definitions across subgroups of patients.

Fairness

Evaluating representations by the complexity of learning low-loss predictors

1 code implementation15 Sep 2020 William F. Whitney, Min Jae Song, David Brandfonbrener, Jaan Altosaar, Kyunghyun Cho

We consider the problem of evaluating representations of data for use in solving a downstream task.

ClinicalBERT: Modeling Clinical Notes and Predicting Hospital Readmission

2 code implementations10 Apr 2019 Kexin Huang, Jaan Altosaar, Rajesh Ranganath

Clinical notes contain information about patients that goes beyond structured data like lab values and medications.

Readmission Prediction

Proximity Variational Inference

1 code implementation24 May 2017 Jaan Altosaar, Rajesh Ranganath, David M. Blei

Consequently, PVI is less sensitive to initialization and optimization quirks and finds better local optima.

Variational Inference

Operator Variational Inference

no code implementations NeurIPS 2016 Rajesh Ranganath, Jaan Altosaar, Dustin Tran, David M. Blei

Though this divergence has been widely used, the resultant posterior approximation can suffer from undesirable statistical properties.

Bayesian Inference Variational Inference

Fast, Flexible Models for Discovering Topic Correlation across Weakly-Related Collections

1 code implementation EMNLP 2015 Jingwei Zhang, Aaron Gerow, Jaan Altosaar, James Evans, Richard Jean So

Weak topic correlation across document collections with different numbers of topics in individual collections presents challenges for existing cross-collection topic models.

Topic Models

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