MADscatterplot {diffeR}

MAD scatterplot

Description

Generates a scatterplot indicating the distribution of values from two images in relation to the 1:1 line

Usage

MADscatterplot(grid1, grid2, strata = NULL)

Arguments

grid1

object of class SpatRaster corresponding to the first image

grid2

object of class SpatRaster corresponding to the second image

strata

object of class SpatRaster corresponding to the mask or strata image. Zero values are taken as no data (i.e., NA)

Value

a ggplot object corresponding to the scatterplot

See Also

MAD

Examples

old.par <- par(no.readonly = TRUE)
grid1 <- rast(system.file("external/GRID1_INT.rst", package = "diffeR"))
grid2 <- rast(system.file("external/GRID2_INT.rst", package = "diffeR"))
strata <- rast(system.file("external/strata_int.rst", package = "diffeR"))
MADscatterplot(grid1, grid2, strata)

veg_obs1 <- rast(system.file("external/veg_obs1.rst", package = "diffeR")) 
veg_pre1 <- rast(system.file("external/veg_pre1.rst", package = "diffeR"))
veg_mask1 <- rast(system.file("external/veg_mask1.rst", package = "diffeR")) 
MADscatterplot(veg_obs1, veg_pre1, veg_mask1) 
par(old.par)