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spaAlign  

Stratigraphic Plug Alignment for Integrating Plug-Based and XRF Data
View on CRAN: Click here


Download and install spaAlign package within the R console
Install from CRAN:
install.packages("spaAlign")

Install from Github:
library("remotes")
install_github("cran/spaAlign")

Install by package version:
library("remotes")
install_version("spaAlign", "0.0.6")



Attach the package and use:
library("spaAlign")
Maintained by
Hope E. Omodolor
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-12-18
Latest Update: 2025-12-18
Description:
Implements the Stratigraphic Plug Alignment (SPA) procedure for integrating sparsely sampled plug-based measurements (e.g., total organic carbon, porosity, mineralogy) with high-resolution X-ray fluorescence (XRF) geochemical data. SPA uses linear interpolation via the base approx() function with constrained extrapolation (rule = 1) to preserve stratigraphic order and avoid estimation beyond observed depths. The method aligns all datasets to a common depth grid, enabling high-resolution multivariate analysis and stratigraphic interpretation of core-based datasets such as those from the Utica and Point Pleasant formations. See R Core Team (2025) <https://stat.ethz.ch/R-manual/R-devel/library/stats/html/stats-package.html> and Omodolor (2025) <http://rave.ohiolink.edu/etdc/view?acc_num=case175262671767524> for methodological background and geological context.
How to cite:
Hope E. Omodolor (2025). spaAlign: Stratigraphic Plug Alignment for Integrating Plug-Based and XRF Data. R package version 0.0.6, https://cran.r-project.org/web/packages/spaAlign. Accessed 25 Oct. 2026.
Previous versions and publish date:
(2026-10-16 15:21), 0.0.5 (2025-12-18 14:40), 0.0.6 (2026-01-08 05:20), 0.0.7 (2026-10-09 14:40)
Other packages that cited spaAlign R package
View spaAlign citation profile
Other R packages that spaAlign depends, imports, suggests or enhances
Complete documentation for spaAlign
Functions, R codes and Examples using the spaAlign R package
Full spaAlign package functions and examples
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