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

Michael Jones - Colloquium Speaker

Thursday, October 8, 2026 3:30pm to 4:30pm
Schaeffer Hall
Michael Jones - Colloquium Speaker

Jonathan Bradley - Colloquium Speaker

Thursday, October 15, 2026 3:30pm to 4:30pm
Schaeffer Hall
Jonathan Bradley - Colloquium Speaker

Buddhika Nettasinghe - Colloquium Speaker

Thursday, October 22, 2026 3:30pm to 4:30pm
Schaeffer Hall
Buddhika Nettasinghe - Colloquium Speaker

Retiree Events

Insurance Updates promotional image

Insurance Updates

Friday, October 16, 2026 12:30pm to 1:30pm
Virtual

Date: Friday, October 16
Time: 12:30–1:30 p.m.
Location: Room 2520-D, University Capitol Centre (UCC), 200 South Capitol St., Iowa City, and via Zoom
👉 RSVP by October 12.

A light lunch will be available for in-person attendees prior to the program.

As health care open enrollment begins, Rebecca Olson, senior director of Benefits, University of Iowa Human Resources, will present an overview of the UI’s 2026–27 enrollment options available to UI retirees.

Kevin Ward, Senior Health Insurance Information...