Aendert '0' zu 'NULL' in GetBirthplace.R

r/GetBirthplace.R

@@ -19,7 +19,7 @@ getBirthplace <- function(article) {
   
   # If there is no infobox we return 0
   if(!grepl("vcard", article)) {
-      return(0)
+      return(NULL)
   }
   
   # Use infobox to get Birthplace