S and R functions for the display of Thompson-Howarth plots

Computers and Geosciences

Volumn 29, Issue 2, 2003, Pages 239-242

  Garrett, Robert G ^a   Grunsky, Eric C ^a  

^a GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL METHOD; ERROR ANALYSIS; GEOCHEMISTRY;

EID: 0037367069     PISSN: 00983004     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0098-3004(02)00080-8     Document Type: Article

References (12)

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2. CRAN, 2002. The Comprehensive R Network. http://cran.r-project.org/
3. Fletcher, W.K., 1981. Analytical methods in geochemical prospecting. In: Govett, G.J.S. (Ed.), Handbook of Exploration Geochemistry, Vol. 1. Elsevier, Amsterdam, 255pp.
4. Grunsky, E.C., 2001. A program for computing RQ-mode principal component analysis for S-Plus and R. Computers & Geosciences 27 (2), 229-235.
5. Grunsky, E.C., 2002. R: a data analysis and statistical programming environment - an emerging tool for the geosciences. Computers & Geosciences 28 (10), 1219-1222.
6. Ihaka, R., Gentleman, R., 1996. R: a language for data analysis and graphics. Journal of Computational and Graphical Statistics 5 (3), 299-314.
7. Insightful, 2001. S-PLUS 6 for Windows User's Guide. Insightful Corporation, Seattle, WA, 688pp.
8. Stanley, C.R., 2002. THPLOT.M: a MATLAB function to implement generalized Thompson-Howarth error analysis using replicate data. Computers & Geosciences. This issue.
9. Thompson, M., Howarth, R.J., 1973. The rapid estimation and control of precision by duplicate determinations. The Analyst 98, 153-160.
10. Thompson, M., Howarth, R.J., 1976. Duplicate analysis in practice - Part 1. Theoretical approach and estimation of analytical reproducibility. The Analyst 101, 690-698.
11. Thompson, M., Howarth, R.J., 1976. Duplicate analysis in practice - Part 2. Examination of proposed methods and examples of its use. The Analyst 101, 699-709.
12. Thompson, M., Howarth, R.J., 1978. A new approach to the estimation of analytical precision. Journal of Geochemical Exploration 9 (1), 23-30.