t-test for nri values

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Description

Performs t-tests for nri values.

Usage

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## S4 method for signature 'Nri'
t.test(x, ...)

Arguments

x

Object of class 'nri'.

...

Arguments to be passed to t.test.

Value

An object of class "data.frame"

Author(s)

Lukas Lehnert & Hanna Meyer

See Also

t.test, cor.test,Nri-method

Examples

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data(spectral_data)


## Calculate nri-values for WorldView-2-8
spec_WV <- spectralResampling(spectral_data, "WorldView2-8",
                              response_function = FALSE)
nri_WV <- nri(spec_WV, recursive = TRUE)

## Perform t.tests between nri-values of both sites 
season <- spec_WV$attributes$season
ttestres <- t.test(x = nri_WV, y = season, alternative = "two.sided")
ttestres

## Plot p.values of t.tests
plot(ttestres)

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