Home » Management » Quality Control

Control Charts as a Tool in Data Quality Improvement

Source: www-nrd.nhtsa.dot.gov
Topic: Quality Control

Sort Desciption: approach using control charts that can help improve data quality ... Statistical quality control has received much attention from industry in the last ...

Content Inside: DOT HS 809 005 December 1999 NHTSA Technical Report Control Charts as a Tool in Data Quality Improvement This document is available to the public from the National Technical Information Service Springfield Virginia 22161 Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipients Catalog No. DOT HS 809 005 4. Title and Subtitle 5. Report Date Control Charts as a Tool in Data Quality Improvement December 1999 6. Performing Organization Code 7. Authors 8. Performing Organization Report No. Carl E. Pierchala Ph.D. and Jyoti Surti B.S. 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) State Data Reporting Systems Division National Center for Statistics and Analysis 400 7th Street SW Washington DC 20590 11. Contract or Grant No. 12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered Research and Development National Highway Traffic Safety Administration 400 7th Street SW Washington DC 20590 NHTSA Technical Report 14. Sponsoring Agency Code 15. Supplementary Notes 16. Abstract Control-charting has been successfully applied to two National Highway Traffic Safety Administration data systems to help improve and assure the quality of their data. This paper describes the methods used illustrates the approach through various examples and discusses various technical issues in applying control charts to these traffic safety data. The paper also explains the rationale of the methods in terms of statistical process control logic. Finally an example of nonrandomly missing data is given. 17. Key Words 18. Distribution Statement Data quality assurance motor vehicle traffic safety data statistical process control hierarchical data nonrandomly missing data nonindependent observations This document is available to the public through the National Technical Information Service 5285 Port Royal Road Springfield VA 22161 19. Security Classif. (of the report) 20. Security Classif. ...

quality control chrts, carl pierchala quality control

Related PDF Files: