Nothing
globalVariables(c(
"X1", "X2", "X3", "word", "code", "category", "texts",
"i", "j", "x", "Var1", "Var2", "value", "out", "topic",
".ndocs", ".nterm", ".document_total", "new_groups",
"tf", "idf", "sentiments", "document", "term", "L1"
))
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