SAS program for quantitative stratigraphic correlation by principal components
Computers & Geosciences
By: M.E. Hohn
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Abstract
A SAS program is presented which constructs a composite section of stratigraphic events through principal components analysis. The variables in the analysis are stratigraphic sections and the observational units are range limits of taxa. The program standardizes data in each section, extracts eigenvectors, estimates missing range limits, and computes the composite section from scores of events on the first principal component. Provided is an option of several types of diagnostic plots; these help one to determine conservative range limits or unrealistic estimates of missing values. Inspection of the graphs and eigenvalues allow one to evaluate goodness of fit between the composite and measured data. The program is extended easily to the creation of a rank-order composite. ?? 1985.
Suggested Citation
Hohn, M., 1985, SAS program for quantitative stratigraphic correlation by principal components: Computers & Geosciences, v. 11, no. 4, p. 471-477, https://doi.org/10.1016/0098-3004(85)90028-7.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | SAS program for quantitative stratigraphic correlation by principal components |
| Series title | Computers & Geosciences |
| DOI | 10.1016/0098-3004(85)90028-7 |
| Volume | 11 |
| Issue | 4 |
| Year Published | 1985 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Computers and Geosciences |
| First page | 471 |
| Last page | 477 |