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This package can be installed using the remotes package: remotes::install_github("CFS-treering/growthTrendR")

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Version

Install

install.packages('growthTrendR')

Version

0.2.1

License

GPL-3

Maintainer

Xiao Jing Guo

Last Published

January 29th, 2026

Functions in growthTrendR (0.2.1)

generate_report

Generate Automated Reports
plot_qa

plotting quality assessment per radius
plot_resp

Plot smooth terms prediction with confidence intervals
check_optional_deps

Check optional dependencies
calc_bai

calculate annual basal area increment
prepare_samples_clim

Prepare tree-ring data for downstream analysis
plot_scale

plot median of ring width of the target site and its neighbours
plot_freq

plot frequency distribution by geo-location per species
plot_mapping

Plot spatially interpolated tree-ring growth maps
gamm_radius

detrending model on tree-ring width series
gamm_site

growth model at site-level
read_rwl

Import raw ring-width measurements from the ITRDB
sterm_imp

variable importance of smooth terms in a GAM model
ci_resp

Compute prediction and confidence intervals of smooth terms on response scale
CFS_format

Convert tree-ring data into CFS-TRenD format
CFS_qa

Quality assessment: radius alignment
CFS_mapping

Interpolate and Map Tree-Ring Data
CFS_scale

Quality assessment: ring-width measurement at plot level
bam_spatial

spatial growth model for large dataset or vast geographical coverage
CFS_freq

frequency distributions by geo-location per species
gam_mod

generalized additive model
gamm_spatial

spatial growth model at regional-level (multiple sites)