spphpr: Spring Phenological Prediction

Predicts the occurrence times (in day-of-year) of spring phenological events. Three methods, including the accumulated degree days (ADD) method, the accumulated days transferred to a standardized temperature (ADTS) method, and the accumulated developmental progress (ADP) method, were used. See Shi et al. (2017a) <doi:10.1016/j.agrformet.2017.04.001> and Shi et al. (2017b) <doi:10.1093/aesa/sax063> for details.

Getting started

Package details

AuthorPeijian Shi [aut, cre], Zhenghong Chen [aut], Jing Tan [aut], Brady K. Quinn [aut]
MaintainerPeijian Shi <pjshi@njfu.edu.cn>
LicenseGPL (>= 2)
Version1.1.4
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("spphpr")

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spphpr documentation built on April 11, 2025, 6:11 p.m.