activity
20242026
collaborators

5 papers

cs.LG2026

Instruction-based Time Series Editing

Jiaxing Qiu, Dongliang Guo, Brynne Sullivan +2

In time series editing, we aim to modify some properties of a given time series without altering others. For example, when analyzing a hospital patient's blood pressure, we may add…

cs.CL2025

Labeling Free-text Data using Language Model Ensembles

Jiaxing Qiu, Dongliang Guo, Natalie Papini +5

Free-text responses are commonly collected in psychological studies, providing rich qualitative insights that quantitative measures may not capture. Labeling curated topics of rese…

stat.ME2025

Identifying nonlinear relations among random variables: A network analytic approach

Lindley R. Slipetz, Jiaxing Qiu, Siqi Sun +1

Nonlinear relations, such as the curvilinear relationship between childhood trauma and resilience in patients with schizophrenia and the moderation relationship between mentalizing…

stat.ME2025

Don't Let Your Likert Scales Grow Up To Be Visual Analog Scales: Understanding the Relationship Between Number of Response Categories and Measurement Error

Siqi Sun, Karen M. Schmidt, Teague R. Henry

The use of Visual Analog Scales (VAS), which can be broadly conceptualized as items where the response scale is 0-100, has surged recently due to the convenience of digital assessm…

stat.ME2024

Fast leave-one-cluster-out cross-validation using clustered Network Information Criterion (NICc)

Jiaxing Qiu, Douglas E. Lake, Pavel Chernyavskiy +1

For prediction models developed on clustered data that do not account for cluster heterogeneity in model parameterization, it is crucial to use cluster-based validation to assess m…