Joint Generalized Least Squares Applied to Cost Estimation for Fighter Aircraft

Abstract

Joint Generalized Least Squares is an extension of least squares techniques which decreases statistical uncertainty in derived regression equations. The technique is applied to historical costs for airframes, avionics, and engines in fighter aircraft. A comparison is made of parametric cost estimating relationships derived using ordinary and Joint Generalized Least Squares to demonstrate reductions in statistical uncertainty.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1974
Accession Number
ADA003354

Entities

People

  • Patrick W. O'brien

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Aircraft Industry
  • Aircraft Models
  • Aircrafts
  • Airframes
  • Correlation Analysis
  • Cost Analysis
  • Databases
  • Engineering
  • Fighter Aircraft
  • Information Science
  • Manufacturing
  • Models
  • Price Index
  • Procurement
  • Random Variables
  • Statistics

Fields of Study

  • Mathematics

Readers

  • Life Cycle Cost Analysis
  • Naval Engineering and Maritime Security
  • Regression Analysis.