A SUMMARY OF THE Mplus LANGUAGE

 

 

This chapter contains a summary of the commands, options, and settings of the Mplus language.  For each command, default settings are found in the last column.  Commands and options can be shortened to four or more letters.  Option settings can be referred to by either the complete word or the part of the word shown in bold type.

 

THE TITLE COMMAND

 

 

TITLE:

title for the analysis

 

 

THE DATA COMMAND

 

 

DATA:

 

 

 

 

 

FILE IS

file name;

 

FORMAT IS

format statement;

 

 

FREE;

FREE;

TYPE IS

INDIVIDUAL;

INDIVIDUAL;

 

COVARIANCE;

 

 

CORRELATION;

 

 

FULLCOV;

 

 

FULLCORR;

 

 

MEANS;

 

 

STDEVIATIONS;

 

 

MONTECARLO;

 

 

IMPUTATION;

 

NOBSERVATIONS ARE

number of observations;

 

NGROUPS =

number of groups;

1

VARIANCES =

CHECK;

NOCHECK;

CHECK;

 

 

THE VARIABLE COMMAND

 

 

VARIABLE:

 

 

 

 

 

NAMES ARE

names of variables in the data set;

 

USEOBSERVATIONS ARE

conditional statement to select observations;

all observations in data set

USEVARIABLES ARE

names of analysis variables;

all variables in NAMES

MISSING ARE

variable (#);

 

 

. ;

 

 

* ;

 

 

BLANK;

 

CENSORED ARE

names, censoring type, and inflation status for censored  dependent variables;

 

CATEGORICAL ARE

names of binary and ordered categorical (ordinal) dependent variables;

 

NOMINAL ARE

names of unordered categorical (nominal) dependent variables;

 

COUNT ARE

names and inflation status for count variables;

 

GROUPING IS

name of grouping variable (labels);

 

IDVARIABLE IS

name of ID variable;

 

WEIGHT IS

name of weight variable;

name of weight variable (SAMPLING);

name of weight variable (FREQUENCY);

SAMPLING

CLUSTER IS

name of cluster variable;

 

STRATIFICATION IS

name of stratification variable;

 

CENTERING IS

GRANDMEAN (variable names);

GROUPMEAN (variable names);

 

TSCORES ARE

names of observed variables with information on individually-varying times of observation;

 

AUXILIARY =

names of auxiliary variables;

 

 

 

 

CLASSES =

names of categorical latent variables (number of latent classes);

 

 

KNOWNCLASS =

name of categorical latent variable with known class membership (labels);

 

TRAINING =

names of training variables;

names of variables (MEMBERSHIP);

names of variables (PROBABILITIES);

MEMBERSHIP

WITHIN ARE

names of individual-level observed variables;

 

BETWEEN ARE

names of cluster-level observed variables;

 

PATTERN IS

name of pattern variable (patterns);

 

COHORT IS

name of cohort variable (values);

 

COPATTERN IS

name of cohort/pattern variable (patterns);

 

COHRECODE =

(old value = new value);

 

TIMEMEASURES =

list of sets of variables separated by the | symbol;

 

TNAMES =

list of root names for the sets of variables in TIMEMEASURES separated by the | symbol;

 

 

THE DEFINE COMMAND

 

 

DEFINE:

 

 

 

 

 

 

variable = mathematical expression;

 

 

 

IF (conditional statement) THEN transformation statements;

 

 

 

CUT variable name or list of variables (cutpoints);