Johannes (Johannes) Ledolter

Johannes (Johannes) Ledolter
Professor of Business Analytics, Tippie College of Business
Professor of Statistics and Actuarial Science, College of Liberal Arts and Sciences
Visiting Professor of Statistics, Stanford University, June 2016 - August 2016
Visiting Professor of Statistics, Stanford University, June 2014 - August 2014
Associate Investigator, Center for the Prevention and Treatment of Visual Loss, Iowa City VA Health Care System, January 2011 - Present
Visiting Professor, University of Chicago Booth School of Business, January 2011 - June 2011
Professor of Statistics (emeritus since 2015), Vienna University of Economics and Business Administration, Austria, January 2002 - December 2015
Professor and Chair, Department of Statistics, Vienna University of Economics and Business Administration, January 1997 - December 2002
Visiting Professor of Statistics, Yale University, August 1994 - July 1995
Visiting Associate Professor, Princeton University, August 1985 - July 1986
Affiliate Faculty, Department of Statistics and Actuarial Science, College of Liberal Arts and Sciences, The University of Iowa, January 1978 - Present
Consultant, Austrian Institute of Economic Research, January 1976 - August 1977

Contact Information

Primary Office: S352 Pappajohn Business Building (PBB)
319-335-3814
Department: 319-335-0858

Education

  • PhD in Statistics, University of Wisconsin, Madison, 1975
  • MS in Sociology and Statistics, University of Vienna, Austria, 1974
  • MS in Statistics, University of Wisconsin, Madison, 1972

Areas of Research Interest

  • Applied time series analysis
  • Data mining
  • Forecasting
  • International Business Education
  • Probability and statistics for engineering and physical sciences
  • Statistical applications in business
  • Statistical methods for quality and productivity improvement (Six Sigma)
  • Statistics
  • Statistics in Medicine, especially Anesthesia, Surgery, and Ophthalmology

Selected Awards and Honors

  • Iowa Career Developmental Award, University of Iowa, 2012
  • Elected Fellow, American Society for Quality, 2011
  • Iowa Career Developmental Award, 2006
  • Elected Fellow, American Statistical Association, 1991
  • Elected Fellow, International Statistical Institute, 1991

Selected Publications

  • Ledolter, J. (2009). Estimation Bias in the First-Order Autoregressive Model and its Impact on Predictions and Prediction Intervals. Communications in Statistics: Simulation and Computation, 38, 771-787.
  • Bell, G. H., Ledolter, J. & Swersey, A. J. (2009). An Experiment to Increase Magazine Sales in a Supermarket. Interfaces, 39, 145-158.
  • Dexter, F., Epstein, R. H., Elgart, R. L., Lee, J. D. & Ledolter, J. (2009). Automatic Updating of Times Remaining in Surgical Cases Using Bayesian Analysis of Historical Case Duration Data. Anesthesia & Analgesia, 108, 929-940.
  • Rautianinen, R., Ledolter, J., Donham, K. J., Ohsfeldt, R. & Zwerling, C. (2009). Risk Factors for Serious Injury in Finnish Agriculture. American Journal of Industrial Medicine, 52, 419-428.
  • Ledolter, J., Hogg, R. V. (2009). Statistics for Engineers and Scientists. Prentice Hall.
  • Ledolter, J. (2008). A Statistical Analysis of the Lake Levels at Lake Neusiedl. Austrian Journal of Statistics, 37, 147-160.
  • Dexter, F., Xin, L., O'Neil, L. & Ledolter, J. (2008). Sensitivity of Super-Efficient Data Envelopment Analysis Results to Individual Decision-Making Units: Example of Surgical Workload by Specialty. Health Care Management Science, 11, 307-318.
  • Ledolter, J. (2008). Smoothing Time Series with Local Polynomial Regression on Time. Communications in Statistics - Theory and Methods, 37(6), 959-971.
  • Ledolter, J. (2008). Comment on the paper “An Overview of the Shainin SystemTM for Quality Improvement,” by Stefan H. Steiner, R. Jock MacKay, and John S. Ramberg. Quality Engineering, 20, 38-39.
  • Ledolter, J. (2008). Pre-control. Encyclopedia of Statistics in Quality and Reliability.

Selected Review and Editorial Work

  • Associate Editor, Austrian Journal of Statistics, January 1997
  • Associate Editor, Journal of Forecasting, January 1986
  • Associate Editor, Statistical Modelling: An International Journal, January 2000 - December 2017
  • Associate Editor, Journal of Business and Economic Statistics, August 2012 - August 2015
  • Associate Editor, Quality Engineering, January 2008 - December 2013

Selected Presentations

  • Ledolter, J. (2018, March) Data Science Projects Treatment of Visual Loss and Effects of Traumatic Brain Injury. Invited Lecture, SOM Yale University,
  • Ledolter, J. (2015, June) Data mining and business analytics with an Application to Forecasting State Unemployment Rates. Lecture presented at National Research University-Higher School of Economics, National Research University-Higher School of Economics, Moscow, Russia.
  • Ledolter, J. (2015, April) Data mining and business analytics. Lecture presented at University of Northern Iowa, Department of Mathematics, University of Northern Iowa, Cedar Falls.
  • Ledolter, J. (2015, March) Data mining and business analytics: Statistical models. Lecture presented at Peking University, Guanghua School of Management, Peking University, Beijing, China.
  • Ledolter, J. (2014, May) George Box’s contributions to time series analysis and forecasting. Lecture presented at Department of Statistics, University of Linz, University of Linz, Linz, Austria.
  • Ledolter, J. (2014, April) Data mining and business analytics with big and small data – it is not always size that matters. Keynote/Plenary Address presented at ASA Milwaukee Chapter, American Statistical Association, Milwaukee, Wisconsin.
  • Ledolter, J. (2013, December) Combination of Forecasts and Bayesian Prediction Bounds for Operating Room Durations, Even for Procedures with Few or No Historical Data. Oral presented at Frontiers of Statistics and Forecasting, Statistics Sinica, Taipei, Taiwan.
  • Ledolter, J. (2013, March) Comments on Statistical Engineering. Oral presented at Stu Hunter Research Conference, Amsterdam, Netherlands.
  • Ledolter, J. (2012, October) Detection of the Onset of Multiple Sclerosis from SD-OCT Thickness Measurements of the Retinal Nerve Fiber Layer. Oral presented at ASQ Fall Technical Meeting, American Society for Quality, St. Louis, Missouri.
  • Ledolter, J. (2010, September) Design of Experiments with Applications in Marketing and Service Operations. Lecture presented at ENBIS 2010, European Network for Business and Industrial Statistics, Antwerp, Belgium.

Selected Grants and Contracts

  • Ledolter, JohannesGrant Research, Basic. Center for the Prevention and Treatment of Visual Loss. Sponsored by VA. Funded. August 1, 2017 - July 31, 2018.
  • Ledolter, JohannesGrant Research, Basic. Center for the Prevention and Treatment of Visual Loss. Sponsored by US Department of Veterans Affairs. Funded. August 1, 2015 - July 31, 2016.
  • Ledolter, JohannesCenter for the Prevention and Treatment of Visual Loss. Sponsored by US Department of Veterans Affairs. Funded. August 1, 2014 - May 31, 2015.
  • Ledolter, JohannesCenter for the Prevention and Treatment of Visual Loss. Sponsored by US Department of Veterans Affairs. Funded. August 1, 2013 - May 31, 2014.
  • Ledolter, Johannes (Principal Investigator) Center for the Prevention and Treatment of Visual Loss. Sponsored by US Department of Veterans Affairs. Funded. August 1, 2012 - December 31, 2012.
  • Ledolter, JohannesCenter for the Prevention and Treatment of Visual Loss. Sponsored by US Department of Veterans Affairs. Funded. May 1, 2011 - August 31, 2011.
Last Modified Date: August 16, 2019