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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,291 papers · 148 categories

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48 results for demographic analysis

A new method for survival analysis models that ensures fairness without using sensitive demographic data.

problem Ensuring fairness in survival analysis models without relying on sensitive demographic information.
method A worst-case error minimization approach using a training loss function that does not know sensitive demographic information.
result The proposed method often scores better on fairness metrics without a significant drop in prediction accuracy compared to baselines.

We find the optimal error for a constrained regression model under a linear model.

problem Minimizing error while adhering to demographic parity constraints.
method Proposed a minimax optimal error analysis for a demographic parity-constrained regression problem within a linear model.
result The minimax optimal error is characterized by $Θ( rac{dM}{n})$.

Simplifies analysis of hyperbolic distributions in demographic and economic research.

problem Fundamental postulates of demographic and economic research contradicted by data.
method Simple method of reciprocal values for identifying and analyzing hyperbolic distributions.
result Fundamental postulates of demographic and economic research are incorrect.

Integrates differential privacy and demographic parity in multi-class classification.

problem Ensuring fairness and privacy in sensitive applications.
method Designs DP2DP algorithm that enforces both demographic parity and differential privacy.
result DP2DP converges towards demographic parity at nearly the same rate as non-private methods, achieving state-of-the-art trade-offs.

ETNA model predicts demographic attributes from transactions.

problem Predicting demographic attributes from transaction histories with limited data.
method Embedding Transformation Network with Attention (ETNA) model.
result ETNA model outperforms previous models on all tasks.

Bayesian networks and ML improve COVID-19 symptom classification and severity analysis.

problem Understanding the relationship between COVID-19 symptoms and demographic variables.
method Bayesian network structure learning followed by unsupervised clustering and demographic symptom identification.
result 99.99% testing accuracy compared to 41.15% for a heuristic method.

Bias in training data affects diagnostic algorithms' performance.

problem Bias in training data leads to biased predictions in diagnostic algorithms.
method Survey of MICCAI 2018 proceedings, analysis of a skin lesions dataset, adversarial training setup.
result Classifier performance varies significantly between subgroups based on age and sex.

Medical imaging models may encode demographic attributes without violating fairness, depending on the approach.

problem Discrimination in medical imaging models due to encoding demographic attributes.
method Examined marginal and class-conditional representation invariance, traditional fairness notions, and counterfactual fairness.
result Demographically invariant models may not necessarily be fair, and encoding demographic attributes can be advantageous.

Paper predicts demographics at finer geographic resolutions using geotagged tweets.

problem Limited traditional survey methods for demographics estimates at finer geographic resolutions.
method Adapting prior work to predict gender and race/ethnicity counts at the blockgroup-level.
result Achieves high correlations (0.671 for gender, 0.692 for race) compared to prior work.

New methods target conditional demographic parity using optimal transport distances.

problem Auditing and enforcing conditional demographic parity (CDP) in models with complex conditioning variables.
method Developed novel measures of conditional demographic disparity (CDD) based on optimal transport distances and regularization-based approaches.
result Validated methods airbit{} and airlp{} effectively target CDP in real-world datasets with continuous model outputs.

DeepUnHide uses deep learning to reveal hidden demographic features in recommender systems.

problem Extracting hidden demographic features from recommender systems factors.
method Gradient-based localization in deep learning for feature extraction.
result DeepUnHide outperforms state-of-the-art feature selection methods.

The study connects fairness constraints with optimal transport to derive new insights in classification.

problem Ensuring fairness in classification models without sacrificing performance.
method Using Wasserstein barycenters and optimal transport, the study characterizes optimal classification functions under fairness constraints.
result Maximizing fairness under demographic parity is equivalent to solving a regression problem.

A new method uses model gradients to improve fairness without relying on demographic data.

problem Algorithmic fairness issues due to missing demographic information and complex interactions.
method Learning a graph of gradients to identify and improve group fairness robustly to noise.
result Significantly improves fairness without sacrificing overall accuracy.

Paper develops a model to assess capital requirement for demographic risk using stochastic methods.

problem Quantifying capital requirement for demographic risk in life insurance contracts.
method Stochastic model extending local GAAP to Solvency II framework, proving market consistency.
result Model highlights main drivers of capital requirement evaluation, comparing to GAAP.

The 2016 US election results are inferred from census microdata.

problem Estimating vote shares for specific demographic groups from aggregated election data.
method Distribution regression with multinomial-logit model, exploratory data analysis.
result Estimates vote shares for specific demographic groups (e.g., white women, Trump supporters, etc.).

CondMTL improves toxicity detection by learning group-specific representations.

problem Algorithmic bias in toxic language detection across demographic groups.
method Conditional Multi-Task Learning (CondMTL) for demographic-specific tasks.
result CondMTL improves predictive recall for minority demographic groups.

Research examines motivations and factors influencing retailers' payment method choices.

problem Understanding motivations and factors affecting retailers' payment method choices.
method Qualitative and quantitative analysis of various factors including regulatory constraints, merchant service providers, and demographic variables.
result Lower interchange fees and regulatory constraints make card payment adoption financially feasible for merchants.

Research compares MLP and MLR models for Balkan energy consumption predictions.

problem Predicting energy consumption in the Balkans using demographic and economic parameters.
method Applied multiple linear regression and multilayer perceptron models to data from 1995-2014.
result Multilayer perceptron model predicts energy consumption better than multiple regression model.

New framework tackles fairness in link prediction beyond demographic parity.

problem Systemic biases in link prediction can exacerbate societal inequalities.
method Formalizes limitations of existing fairness evaluations and proposes a new framework.
result Proposes a lightweight post-processing method combined with decoupled link predictors.

The study uses demographical data to predict health conditions.

problem Predicting health conditions based on patient demographics and symptoms.
method Analyzing Electronic Health Records (EHR) from Brazil to identify age-related clusters of health conditions.
result Age of patients significantly influences the likelihood of certain health conditions.

Study examines how decoding algorithms affect fairness in language generation models.

problem Impact of decoding algorithms on fairness in open-ended language generation.
method Systematic analysis of top-pp, top-kk, and temperature decoding algorithms.
result Decoding algorithms significantly impact fairness across demographic groups.

A distributed framework protects privacy while maintaining fairness in machine learning.

problem Protecting personal demographic data while ensuring fair machine learning outcomes.
method A distributed framework with private third-party data communication, ensuring privacy and fairness.
result Four fair learning methods consistently outperform existing ones in fairness and accuracy across three real-world datasets.

Paper detects biases in medical imaging ML models using counterfactual analysis.

problem Bias in medical imaging ML models negatively impacts generalization performance.
method Counterfactual invariance framework combining conditional latent diffusion models and statistical hypothesis testing.
result The method identifies and quantifies biases without direct access to counterfactual data.

Paper proposes a method to detect fair communities in graphs considering demographic attributes.

problem Inconsistent community detection violates fairness constraints for nodes with demographic attributes.
method Develops an 1\ell_1-regularized pseudo-likelihood approach for fair graphical model selection.
result The method ensures demographic groups are fairly represented within detected communities.

Study predicts U.S. county COVID-19 growth using demographic and social distancing data.

problem Predicting county-level COVID-19 growth during the pandemic.
method Spectral clustering, correlation matrix, demographic features, social distancing scores, LSTM model.
result Effective prediction of future county growth using demographic and social distancing data.

Preschool attendance correlates with lower developmental vulnerabilities in Queensland, Australia.

problem Understanding the relationship between preschool attendance and developmental vulnerabilities in different regions.
method Data Analysis and Machine Learning to identify clusters of socio-demographic variables.
result Identified three clusters with varying socio-demographic variables affecting the relationship between preschool attendance and developmental vulnerabilities.

A new neural network captures and explains trajectory patterns.

problem Analyzing complex spatial trajectories in urban planning and neuroscience.
method Composite Signal Neural Networks (CompSNN) combining three interpretable ANN modules.
result CompSNN outperforms individual modules and visualizes useful signal parts.

Generative model predicts daily activity sequences with duration-aware dynamics.

problem Accurately forecasting granular daily activity sequences for energy demand.
method Hierarchical semi-Markov models with duration-aware dynamics.
result Explicitly modeling activity durations improves predictive performance.

The paper shows how demographic data can lead to biased predictions, proposing 'Affirmative Information' as a solution.

problem Bias in predictions due to demographic data.
method Characterization of error types and conditions leading to disparate impact.
result Demographic variables in data can lead to biased predictions, with higher average outcomes receiving higher false positive rates.