Dr. Lorrie L. Hoffman

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Armstrong Atlantic State University
Arts and Sciences
Mathematics
HeadAppointed: 2004
Armstrong Atlantic State University
Arts and Sciences
Mathematics
ProfessorAppointed: 2004
Professional Headshot of Lorrie L. Hoffman

Mailing Address

Department of Mathematics
Armstrong Atlantic State University
11935 Abercorn St.
Savannah, Georgia 31419-1990
United States

Contact Information

Phone: (912) 344-2557
Fax: (912) 344-3461
Lorrie.Hoffman@armstrong.edu
http://www.math.armstrong.edu/faculty/hoffman

Qualifications

Ph.D., University of Iowa, Statistics, 1981.
M.S., University of Illinois at Urbana-Champaign, Mathematics, 1975.

Expertise and Research Interests

Paper activity in area of education mainly assessing classroom management techniques
Active in researching statistical distributions associated with process capability indices in quality control and handling missing data
Active in estimation in linear birth processes
Current interest in modeling using two regime regressions

Other Expertise

Worked in industry for 7 years mostly doing computer performance analysis

Future Research

Continue work in researching assessments of classroom management
Disposition of positive semi-definite matrices

Industrial Relevance

Quality control

Keywords

COS Keywords:

Mathematics, Statistics.

Additional Terms:

Change Points in Regression, Process Capability, Valid Correlation Matrix.

Languages

(Reading, Writing, Speaking)

French: (Functional, Functional, Functional)

Memberships

American Mathematical Society
American Statistical Association
Association for Women in Mathematics

Previous Positions

1988-2004, Associate Professor, University of Central Florida, Arts & Sciences, Statistics

Publications

  • Mark Budden, Paul Hadavas, Lorrie Hoffman (2008) On the generation of correlation matrices, Applied Mathematics E-Notes, 8, 279-282
  • Hoffman, L. (2001) Obtaining Confidence Intervals For Cpk Using Percentiles of the Distribution of, Journal of Quality and Reliability Engineering, 17, 113-118
  • Hoffman KS, Hoffman LL (Mar 1994) Effects of adding sacral base leveling to osteopathic manipulative treatment of back pain: a pilot study, 94 (3), 217-20, 223-6
  • Lorrie L. Hoffman (1993) A general approach for testing the process capability index, Quality and Reliability Engineering International, 9 (5), 445-449

Profile Details

Last Updated: 4/19/2009

COS Expertise ID #317585
Reference this profile directly: http://myprofile.cos.com/lorriehoffman