Package: irg 0.1.6

irg: Instantaneous Rate of Green Up

Fits a double logistic function to NDVI time series and calculates instantaneous rate of green (IRG) according to methods described in Bischoff et al. (2012) <doi:10.1086/667590>.

Authors:Alec L. Robitaille [aut, cre]

irg_0.1.6.tar.gz
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irg.pdf |irg.html
irg/json (API)
NEWS

# Install 'irg' in R:
install.packages('irg', repos = c('https://robitalec.r-universe.dev', 'https://cloud.r-project.org'))

Peer review:

Bug tracker:https://github.com/robitalec/irg/issues

On CRAN:

irgmodisndvi

4.98 score 3 stars 32 scripts 263 downloads 13 exports 8 dependencies

Last updated 11 days agofrom:85ba244b1a. Checks:OK: 7. Indexed: yes.

TargetResultDate
Doc / VignettesOKNov 10 2024
R-4.5-winOKNov 10 2024
R-4.5-linuxOKNov 10 2024
R-4.4-winOKNov 10 2024
R-4.4-macOKNov 10 2024
R-4.3-winOKNov 10 2024
R-4.3-macOKNov 10 2024

Exports:calc_irgfilter_ndvifilter_qafilter_rollfilter_topfilter_winterirgmodel_ndvimodel_paramsmodel_startscale_doyscale_ndviuse_example_ee_script

Dependencies:chkclidata.tablegluelifecycleRcppRcppRollrlang

Example Earth Engine scripts

Rendered fromexample-scripts.Rmdusingknitr::rmarkdownon Nov 10 2024.

Last update: 2022-09-28
Started: 2021-12-02

Getting started with irg

Rendered fromgetting-started-with-irg.Rmdusingknitr::rmarkdownon Nov 10 2024.

Last update: 2022-02-18
Started: 2018-12-06

Readme and manuals

Help Manual

Help pageTopics
IRGcalc_irg
Filter NDVIfilter_ndvi
Filter with QA Bandfilter_qa
Filter with rolling medianfilter_roll
Filter top NDVIfilter_top
Filter winter NDVIfilter_winter
IRGirg
Model NDVI time seriesmodel_ndvi
Estimate model parametersmodel_params
Model starting parametersmodel_start
Raw Landsat NDVI datasampled-ndvi-Landsat-LC08-T1-L2.csv
Raw MODIS MOD13Q1 NDVI datasampled-ndvi-MODIS-MOD13Q1.csv
Scale DOYscale_doy
Scale NDVIscale_ndvi
Use an example sampling script for Earth Engineuse_example_ee_script