Create the correct string for pixelGroups

Source: R/cohorts.R

Create the correct string for pixelGroups

makePixelGroups(maxPixelGroup, ecoregionGroup, speciesGroup)

Arguments

maxPixelGroup

A length 1 numeric/integer indicating the current maximum pixelGroup value
ecoregionGroup

A vector of ecoregionGroup strings
speciesGroup

A vector of speciesGroup strings

Value

TODO: description needed