I am trying to use the macro "Convert all character variables to numeric with macro CtoN". from the below link: http://support.sas.com/kb/60/678.html However, It is throwing me some error, as following: WARNING: Apparent symbolic reference NLEV not resolved. ERROR: A character operand was found in the %EVAL function or %IF condition where a numeric operand is required. The condition was: &nlev ERROR: The %TO value of the %DO I loop is invalid. ERROR: The macro CTON will stop executing. Any idea, how could I resolve this problem?
... View more