Code and data used to calculate the SGC (Synchronous Growth Changes), SSGC (Semi-Synchronous Growth Changes) and related functions and scripts.
Published as:
Visser, RM. 2021 On the similarity of tree-ring patterns: Assessing the influence of semi-synchronous growth changes on the Gleichläufigkeitskoeffizient for big tree-ring data sets. Archaeometry 63(1): 204–215. DOI: https://doi.org/10.1111/arcm.12600.
The volume of some of the underlying data was too big to deposit in GitHub and can be found elsewhere:
Visser, R. 2024. Similarity data set used to test Synchronous Growth Changes (SGC) on dendrochronological data using tree-ring series from the ITRDB [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10866272