I wanted to join a CSV file to a shapefile.
When I identified a field to facilitate the join, e.g.,
map <- spChFIDs(map, as.character(map$ID))
it returned
Error in spChFIDs(SP, x) : lengths differ
Can anyone advise?
Is there a way to save the output JPG, changing the output file name to the page name, instead of page number? I mean changing the script fo...
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