# Instantaneous Rate of Green Up

## Documentation for package ‘irg’ version 0.1.6

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

calc_irg | IRG
filter_ndvi | Filter NDVI
filter_qa | Filter with QA Band
filter_roll | Filter with rolling median
filter_top | Filter top NDVI
filter_winter | Filter winter NDVI
irg | IRG
model_ndvi | Model NDVI time series
model_params | Estimate model parameters
model_start | Model starting parameters
sampled-ndvi-Landsat-LC08-T1-L2.csv | Raw Landsat NDVI data
sampled-ndvi-MODIS-MOD13Q1.csv | Raw MODIS MOD13Q1 NDVI data
scale_doy | Scale DOY
scale_ndvi | Scale NDVI
use_example_ee_script | Use an example sampling script for Earth Engine