Mplus Users Guide v6.. - Muthén & Muthén

CHAPTER 15categorical using the CATEGORICAL option of the VARIABLEcommand.The creation of the new variables in the DATA TWOPART commandoccurs after any transformations in the DEFINE command and beforeany transformations using the DATA MISSING command. Following isa description of the options used in the DATA TWOPART command.NAMESThe NAMES option identifies the variables that are used to create a setof binary and continuous variables. These variables must be variablesfrom the NAMES statement of the VARIABLE command. The NAMESoption is specified as follows:NAMES = smoke1-smoke4;where smoke1, smoke2, smoke3, and smoke4 are the semicontinuousvariables that are used to create a set of binary and continuous variables.CUTPOINTThe CUTPOINT option is used to provide the value that is used to dividethe original variables into a set of binary and continuous variables. Thedefault value for the CUTPOINT option is zero. The CUTPOINToption is specified as follows:CUTPOINT = 1;where variables are created based on values being less than or equal toone or greater than one.BINARYThe BINARY option is used to assign names to the new set of binaryvariables. The BINARY option is specified as follows:BINARY = u1-u4;where u1, u2, u3, and u4 are the names of the new set of binaryvariables.470