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NIH Research Festival

September 14 – 16, 2016

A Longitudinal Support Vector Regression for Prediction of ALS Score

Friday, September 16, 2016 – Poster Session IV
12:00 – 1:30 p.m.

FAES Terrace

CIT

COMPBIO-2

Authors

  • W Du
  • H Cheung
  • CA Johnson
  • I Goldberg
  • M Thambisetty
  • K Becker

Abstract

Longitudinal studies play a key role in various fields, including epidemiology, clinical research, and genomic analysis. Currently, the most popular methods in longitudinal data analysis are model-driven regression approaches, which impose strong prior assumptions and are unable to scale to large problems in the manner of machine learning algorithms. In this work, we propose a novel longitudinal support vector regression (LSVR) algorithm that not only takes the advantage of one of the most popular machine learning methods, but also is able to model the temporal nature of longitudinal data by taking into account observational dependence within subjects. We test LSVR on a publicly available Amyotrophic Lateral Sclerosis (ALS) data-set from the DREAM-Phil Bowen ALS Prediction Prize4Life challenge. Results suggest that LSVR is at a minimum competitive with favored machine learning methods and is able to outperform those methods in predicting ALS score one month in advance.

Scientific Focus Area: Computational Biology

This page was last updated on Friday, March 26, 2021

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Download the 2016 Research Festival Schedule Overview (6 pages)

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Current Research Festival

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  • 2024
    • General Schedule of Events
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    • Special Wednesday Events
    • Vendor Exhibit Information
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  • 2023
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    • NIH Early–Career Investigator Lectures
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    • Concurrent Workshops
    • NIH Resource Information Fair
    • Vendor Exhibit Information
    • Research Festival Committee
  • 2021
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    • General Schedule of Events
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