Phenotypic Index Measures for Oak Decline Severity

Oak declines are complex disease syndromes and consist of many visual indicators that include aspects of tree size, crown condition and trunk condition. This can cause difficulty in the manual classification of symptomatic and non-symptomatic trees from what is in reality a broad spectrum of oak tree health condition. Two phenotypic oak decline indexes have been developed to quantitatively describe and differentiate oak decline syndromes in Quercus robur. This package provides a toolkit to generate these decline indexes from phenotypic descriptors using the machine learning algorithm random forest.


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install.packages("pdi")

0.4.1 by Jasen Finch, 3 months ago


https://jasenfinch.github.io/pdi


Report a bug at https://github.com/jasenfinch/pdi/issues


Browse source code at https://github.com/cran/pdi


Authors: Jasen Finch [aut, cre]


Documentation:   PDF Manual  


GPL-3 license


Imports dplyr, magrittr, purrr, randomForest, readxl, stringr, tibble, tidyr, tidyselect

Suggests testthat, covr, knitr, rmarkdown, ggplot2


See at CRAN