Contact information

Russell V. Lenth (he/him/his)
Department of Statistics and Actuarial Science
The University of Iowa
Iowa City, IA 52242

russell-lenth[at]uiowa.edu
319-335-0712 (Dept. Office)

Past Research

  • Experimental design
  • Sample size and power
  • Statistical methods for quality improvement
  • Statistical computing and graphics

Biographical sketch

Software

emmeans

Estimated marginal means (R)SiteCRANGitHub

estimability

Assessing estimability (R)SiteCRANGitHub

rsm

Response-surface methods (R)SiteCRANGitHub

unrepx

Unreplicated experiments (R)SiteCRANGitHub

lsmeans

Least-squares means (R) CRANGitHub

Piface

Power and sample size (Java)  GitHub

Department Events

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Retiree Events

Active Lives, Healthy Brains: Wellness Tips for Brain Health in Aging promotional image

Active Lives, Healthy Brains: Wellness Tips for Brain Health in Aging

Wednesday, September 9, 2026 11:00am to 1:00pm
Virtual

Date: Wednesday, September 9, 2026
Time: 11:30 a.m.
Location: Room 2520-D, University Capitol Centre (UCC), 200 South Capitol St., Iowa City, and via Zoom

Coffee and cookies at 11 a.m. Program begins at 11:30 a.m.

Brain health is important at every age. Risk for Alzheimer's and related dementias affecting cognitive health increase in our 60s and accelerate in our 70s and 80s. Professor Michelle Voss, director of the University of Iowa's Health, Brain, and Cognition Lab, will share what research from...