Filtering

filter_qa()

Filter with QA Band

filter_winter()

Filter winter NDVI

filter_roll()

Filter with rolling median

filter_top()

Filter top NDVI

Scaling

scale_doy()

Scale DOY

scale_ndvi()

Scale NDVI

Modeling

model_start()

Model starting parameters

model_params()

Estimate model parameters

model_ndvi()

Model NDVI time series

Instantaneous rate of green-up

calc_irg()

IRG

Meta functions

filter_ndvi()

Filter NDVI

irg()

IRG

Package data

ndvi

Raw NDVI Time Series