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Check Data Types
check_type(x, expected)check_scalar(x, expected)
check_scalar(x, expected)
An object to be checked.
A character string specifying the expected type.
character
Throw an error, if any.
Other check: check-attribute, check-graph, check-matrix, check-missing, check-numeric
check-attribute
check-graph
check-matrix
check-missing
check-numeric