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Mplus Users Guide v6.. - Muthén & Muthén

Mplus Users Guide v6.. - Muthén & Muthén

Mplus Users Guide v6.. - Muthén & Muthén

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CHAPTER 18For data in fixed format, each observation must have the same number ofrecords. Information for a given variable must occupy the same positionon the same record for each observation. A FORTRAN-like formatstatement describing the position of the variables in the data set isrequired. See the FORMAT option of the DATA command for adescription of how to specify a format statement.MMISSINGThe MMISSING option is used to identify the values or symbol in thedata set to be merged with the analysis data set that are treated asmissing or invalid. Any numeric value and the non-numeric symbols ofthe period, asterisk (*), or blank can be used as missing value flags.There is no default missing value flag. Numeric and non-numericmissing value flags cannot be combined. The blank cannot be used as amissing value flag for data in free format. When a list of missing valueflags contains a negative number, the entries must be separated bycommas. See the MISSING option of the VARIABLE command forfurther information about missing value flags.MSELECTThe MSELECT option is used to select the variables from the data set tobe merged with the analysis data set. Variables included on theMSELECT list must come from the MNAMES statement. TheMSELECT option is specified as follows:MSELECT ARE gender income agefirst;678

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