View source: R/SDMdata.quality.R
SDMdata.quality | R Documentation |
Evaluate the percentage of occurrences that fall on pixels assigned by NA values in the environmental RasterStack. It may provide interesting information to interpret model robustness.
SDMdata.quality(data)
data |
SDMtab object or dataframe that contains id, longitude, latitude and values of environmental descriptors at corresponding locations |
prop Dataframe that provides the proportion of NA values on which the presence data fall, for each environmental predictor
SDMeval
#Generate a SDMtab data('ctenocidaris.nutrix') occ <- ctenocidaris.nutrix # select longitude and latitude coordinates among all the information occ <- ctenocidaris.nutrix[,c('decimal.Longitude','decimal.Latitude')] library(raster) data("predictors2005_2012") envi <- predictors2005_2012 envi #Create the SDMtab matrix SDMtable_ctenocidaris <- SDMPlay:::SDMtab(xydata=occ, predictors=predictors2005_2012, unique.data=FALSE, same=TRUE) # Evaluate the matrix quality ## Not run: SDMPlay:::SDMdata.quality(data=SDMtable_ctenocidaris) ## End(Not run)
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