Comparison of different statistical methods for evaluation of proficiency test data

Accreditation and Quality Assurance

Volumn 13, Issue 9, 2008, Pages 493-499

  Rosario, Pedro ^a   Martínez, José Luis ^a   Silván, José Miguel ^a  

^a RPS   (United Kingdom)

Author keywords

Evaluation; Fitness for purpose; Harmonized protocol; ISO 13528; ISO 5725; Proficiency test data; Robust statistics; Statistical methods

Indexed keywords

EID: 50849094852     PISSN: 09491775     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00769-008-0413-7     Document Type: Article

References (15)

1. UNE-EN ISO/IEC 17025:2005. Requisitos generales relativos a la competencia de los laboratorios de ensayo y calibración
2. ISO 13528:2005. Statistical methods for use in proficiency testing by interlaboratory comparisons
3. Van der Venn AMH, Hafkenscheid TL (2003) Harmonisation of proficiency testing schemes. Accred Qual Assur 9:657-661
4. The international harmonized protocol for the proficiency testing of analytical chemistry laboratories. Pure Appl Chem 78(1):145-196 (2006)
5. UNE 66543-1 IN:1999. Ensayos de aptitud por intercomparación de laboratorios. Parte 1. Desarrollo y aplicación de programas de ensayo de aptitud
6. ISO/IEC Guide 43:1997. Proficiency testing by interlaboratory comparisons
7. ISO 5725-2:1994. Accuracy (trueness and precision) of measurement methods and results. Part 2. Basic method for the determination of repeatability and reproducibility of a standard measurement method
8. Uhlig S, Lischer P (1998) Statistically-based performance characteristics in laboratory performance studies. Analyst 123:167-172
9. Rousseeuw PJ, Leroy AM (1987) Robust regression and outlier detection. Wiley, New York
10. Analytical Methods Committee. Robust Statistic Part I & II. Analyst 114:1693-1702 (1989)
11. Thompson M, Ellison SLR (2006) Fitness for purpose-the integrating theme of the revised Harmonised Protocol for Proficiency Testing in Analytical Chemistry Laboratories. Accred Qual Assur 11:373-378
12. CoEPT Project (available in www.eptis.bam.de )
13. Wilrich P-Th (2007) Robust estimates of the theoretical standard deviation to be used in interlaboratory precision. Accred Qual Assur 12:231-240
14. Thompson M (2006) The variance of a consensus. Accred Qual Assur 10:574-575
15. de Bievre P (2007) Fitness for purpose is different from a performance specification. Accred Qual Assur 12:501