Meredith L Wallace, PhD

Meredith L Wallace, PhD

Associate Professor of Psychiatry and Biostatistics

Contact Details

3811 O'Hara St.

Education & Training

Biostatistics, University of Pittsburgh, Graduate School of Public Health

Research Interests

Machine learning; Sleep; Methods for NIMH RDoC data
Selected Research Publications & Products
  1. Wallace ML, Wheeler BJ, Tapia AL, Richards, M, Zhou S, Yi L, Redline S & Buysse DJ. Use and misuse of machine learning variable importance metrics in medicine: Demonstrations through incident stroke prediction. BMC Medical Research Methods. 2023 Jun 19;23(1):144. doi: 10.1186/s12874-023-01965-x.
  2. Wallace ML, Lee S, Stone KL, Hall MH, Smagula SF, Reline S, Ensrud K, Ancoli-Israel S & Buysse DJ. Actigraphy-derived sleep health profiles and mortality in older men and women. SLEEP. 2022 Apr; 45(4):zsac015. doi: 10.1093/sleep/zsac015.
  3. Wallace ML, McTeague L, Graves JL, Kissel N, Tortora C, Wheeler B & Iyengar S. Quantifying distances between non-elliptical clusters to enhance the identification of meaningful emotional reactivity subtypes. Data Science in Science. 2022; 1(1): 34-59. doi: 10.1080/26941899.2022.2157349.
  4. Wallace ML, Kissel N, Hall MH, Germain A, Matthews KA, Troxel WM, Franzen PL, Buysse DJ, Reynolds CF III, Monk T, Roecklein KA, Gunn HE, Hasler BP, Goldstein TR, McMakin DL, Szigethy E & Soehner AM. Age trends in actigraphy and self-report sleep across the lifespan: Findings from the Pittsburgh Lifespan Sleep Databank. Psychosom Med. 2022 May; 84(4): 410-420. doi: 10.1097/PSY.0000000000001060.
  5. Wallace ML, Yu L, Buysse DJ, Stone K, Redline S, Smagula SF, Stefanick ML, Kritz-Silverstein D & Hall MH. Multidimensional sleep health domains in older men and women: An actigraphy factor analysis. SLEEP 2020 Sep 12;zsaa181. doi: 10.1093/sleep/zsaa181.

Education Interests

Statistical methods