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Table 4 p-values for the Turkey’s test for pairwise comparison of the four classes of tree health status considered are shown for each index. A) Asymptomatic, B) defoliated less than 50%, C) defoliated more than 50%, D) dead

From: Assessing a novel modelling approach with high resolution UAV imagery for monitoring health status in priority riparian forests

Index ANOVA (Tukey test) p-value
  A-B C-A D-A C-B D-B D-C
NDVI ns *** *** * *** ***
GNDVI ns *** *** ns *** ***
RENDVI ns ** *** ns *** ns
REGNDVI ns *** *** ns *** **
RERNDVI ns *** *** ns *** ***
NGRVI ns *** *** ** *** ***
NLI ns *** *** ** *** **
OSAVI ns *** *** ** *** *
  1. p-value ≤0.0001 ‘***’, < 0.001 ‘**’, < 0.01 ‘*’