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🦜 Journal of Data Science

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Site URL: jds-online.org/journal/JDS

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Interval Forecasting in Time Series Analysis: Application to COVID-19 and Beyond

https://jds-online.org/journal/JDS/article/1431

Published: May 8, 2025 21:00

Forecasting is essential for optimizing resource allocation, particularly during crises such as the unprecedented COVID-19 pandemic. This paper focuses on developing an algorithm for generating k-step-ahead interval forecasts for autoregressive time…

Embracing the AI Revolution: ChatGPT’s Role in Advancing Data Science Consultation Services

https://jds-online.org/journal/JDS/article/1430

Published: May 5, 2025 21:00

The Data Science Consulting Program at North Carolina State University Libraries, in partnership with the Data Science and AI Academy, provides comprehensive support for a wide range of tools and software, including R, Python, MATLAB, ArcGIS, and more, to…

Generative AI Takes a Statistics Exam: A Comparison of Performance Between ChatGPT3.5, ChatGPT4, and ChatGPT4o-mini

https://jds-online.org/journal/JDS/article/1429

Published: May 5, 2025 21:00

Many believe that use of generative AI as a private tutor has the potential to shrink access and achievement gaps between students and schools with abundant resources versus those with fewer resources. Shrinking the gap is possible only if paid and free…

The Journey to Improve LCPM: An R Package for Ordinal Regression

https://jds-online.org/journal/JDS/article/1428

Published: May 4, 2025 21:00

Recently, the log cumulative probability model (LCPM) and its special case the proportional probability model (PPM) was developed to relate ordinal outcomes to predictor variables using the log link instead of the logit link. These models permit the…

Rescale Hinge Loss Support Vector Data Description

https://jds-online.org/journal/JDS/article/1425

Published: April 22, 2025 21:00

Significant attention has been drawn to support vector data description (SVDD) due to its exceptional performance in one-class classification and novelty detection tasks. Nevertheless, all slack variables are assigned the same weight during the modeling…

Impact of Data Perturbation for Statistical Disclosure Control on the Predictive Performance of Machine Learning Techniques

https://jds-online.org/journal/JDS/article/1426

Published: April 22, 2025 21:00

The rapid accumulation and release of data have fueled research across various fields. While numerous methods exist for data collection and storage, data distribution presents challenges, as some datasets are restricted, and certain subsets may compromise…

Exact Inference for Transformed Large-Scale Varying Coefficient Models with Applications

https://jds-online.org/journal/JDS/article/1424

Published: April 22, 2025 21:00

Studying migration patterns driven by extreme environmental events is crucial for building a sustainable society and stable economy. Motivated by a real dataset about human migrations, this paper develops a transformed varying coefficient model for origin…

Matched Mass Imputation for Survey Data Integration

https://jds-online.org/journal/JDS/article/1422

Published: April 16, 2025 21:00

Analysis of nonprobability survey samples has gained much attention in recent years due to their wide availability and the declining response rates within their costly probabilistic counterparts. Still, valid population inference cannot be deduced from…