JSM 2004 - Toronto

Abstract #301203

This is the preliminary program for the 2004 Joint Statistical Meetings in Toronto, Canada. Currently included in this program is the "technical" program, schedule of invited, topic contributed, regular contributed and poster sessions; Continuing Education courses (August 7-10, 2004); and Committee and Business Meetings. This on-line program will be updated frequently to reflect the most current revisions.

To View the Program:
You may choose to view all activities of the program or just parts of it at any one time. All activities are arranged by date and time.

The views expressed here are those of the individual authors
and not necessarily those of the ASA or its board, officers, or staff.

Back to main JSM 2004 Program page
Activity Number: 232
Type: Contributed
Date/Time: Tuesday, August 10, 2004 : 10:30 AM to 12:20 PM
Sponsor: Section on Physical and Engineering Sciences
Abstract - #301203
Title: Detecting Multiple Populations within a Collection of Repairable Systems
Author(s): Jeffrey Glosup*+
Companies: Sun Microsystems Inc.
Address: 18 Network Cir., Menlo Park, CA, 94025,
Keywords: mean cumulative function ; repairable system reliability ; mixture model
Abstract:

The recurrence rate of failures in a collection of repairable systems can be studied nonparamentrically with the mean cumulative function. However, this representation of average system behavior is misleading if the rate of occurence of failures is not the same for all systems. In practice, there may be a subset of systems which fail at a much higher rate than the majority of systems. This can be modeled as a mixture of distributions for time to next failure, where each system follows a single distribution. Methods for detecting the presence of such a mixture of distributions are developed and explored. Methods used to categorize individual systems from a collection into multiple groups are also discussed.

  • The address information is for the authors that have a + after their name.
  • Authors who are presenting talks have a * after their name.

Back to the full JSM 2004 program

JSM 2004 For information, contact jsm@amstat.org or phone (888) 231-3473. If you have questions about the Continuing Education program, please contact the Education Department.
Revised March 2004