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

Biological 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

Daniel Sewell - Colloquium Speaker

Thursday, April 16, 2026 3:30pm to 4:30pm
Schaeffer Hall
Daniel Sewell - Colloquium Speaker

PhD Defense - Zhenhan Fang

Thursday, April 16, 2026 7:00pm to 9:00pm
Virtual
PhD Defense - Zhenhan Fang

PhD Defense - Shamriddha De

Friday, April 17, 2026 2:30pm to 4:30pm
Schaeffer Hall
PhD Defense - Shamriddha De

Retiree Events

Using Artificial Intelligence in Medicine promotional image

Using Artificial Intelligence in Medicine

Tuesday, April 14, 2026 12:00pm to 1:00pm
Coralville Public Library

Tuesday, April 14, 12:00–1:00 p.m.
Location: Coralville Library, Schwab Auditorium, 1401 5th St, Coralville, and via Zoom

Join UIRA for an informative session on how artificial intelligence is transforming medical practice and patient care.

Presenters include James Blum, MD, Chief Health Information Officer and Associate Professor of Anesthesia, and Jason Misurac, MD, Clinical Associate Professor of Pediatrics–Nephrology, Dialysis, and Transplantation in the Stead Family Department of Pediatrics.

EFC Lecture | American Art for the Public Good: Case Studies from a Career in Art History | Joni Kinsey, Professor Emerita, Art, Art History, and Design promotional image

EFC Lecture | American Art for the Public Good: Case Studies from a Career in Art History | Joni Kinsey, Professor Emerita, Art, Art History, and Design

Thursday, April 16, 2026 4:00pm
Virtual
This illustrated lecture will offer a brief overview of topics in public art before taking one image in depth, exploring it visually and historically to demonstrate how visual imagery can contribute to a shared sense of common cause.
UIRA 30th Anniversary Celebration promotional image

UIRA 30th Anniversary Celebration

Sunday, April 26, 2026 6:00pm
Iowa Memorial Union (IMU)

Date: Sunday, April 26, 2026 | 6:00 p.m.
Location: Iowa Memorial Union (room to be confirmed)

RSVP, note dietary restrictions, and purchase tickets by Friday, April 17 via the RSVP Form.

All members are invited are invited to celebrate the 30th anniversary of the University of Iowa Retirees Association (UIRA) with a buffet dinner and special program.

Corey Creekmur, Associate Professor in the Department of Cinema and Comparative Literature, will present "Movie Memories." His talk will explore films...