Provides functions and methods for estimating phenological dates (green up, start of a season, maturity, senescence, end of a season and dormancy) from (nearly) periodic Earth Observation time series. These dates are critical points of some derivatives of an idealized curve which, in turn, is obtained through a functional principal component analysisbased regression model. Some of the methods implemented here are based on T. Krivobokova, P. Serra and F. Rosales (2022) <https://www.sciencedirect.com/science/article/pii/S0167947322000998>. Methods for handling and plotting Earth observation time series are also provided.
Package details 


Author  Inder TecuapetlaGómez [cre, aut] (000000016251972X), Fanny GaliciaGómez [ctb], Francisco RosalesMarticorena [ctb] 
Maintainer  Inder TecuapetlaGómez <itecuapetla@conabio.gob.mx> 
License  GPL (>= 2) 
Version  0.1.31 
Package repository  View on CRAN 
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