OpenMx Reference KeymxModel(model =NA,either MxModel object or string...,arbitrary number of named entities, data sources, MxPath or Mx.... objectsmanifestVars =NA,list of manifest variableslatentVars =NA,list of latent variablesremove =FALSE,logical. TRUE= elements removed FALSE= addedindependent =NA,logical. TRUE= model is independenttype =NA,character vector. name of model typename =NA)optional character vector. name of objectmxPath(from =NAcharacter vector. sources of new pathsto =NAcharacter vector. sinks of new pathsall =FALSElogical. TRUE=connect all sources to all sinksarrows =1numeric value. 1=single-headed. 2=double-headed arrowsfree =TRUElogical. TRUE=free, FALSE=fixedvalues =NAnumeric vector. starting values of parameterslabels =NAcharacter vector. names of pathslbound =NAnumeric vector. lower bounds of free parametersubound =NA)numeric vector. upper bounds of free parametersmxMatrix(type =”Full”character string. matrix type: Diag, Full, Iden, Lower, Sdiag, Stand, Symm, Unit, Zeronrow =NAdesired number of rowsncol =NAdesired number of columnsfree =FALSEvector/matrix of logicals. TRUE=free, FALSE=fixedvalues =NAvector/matrix of numeric starting values. default=zerolabels =NAvector/matrix of characters for variable label specificationlbound =NAvector/matrix of numeric lower boundsubound =NAvector/matrix of numeric upper boundsbyrow =FALSElogical. TRUE=by row, FALSE=by column, default=getOption(‘mxByrow’)dimnames =NAlist of length 2 for row and column namesname =NA)optional character string for name of MxMatrix objectmxAlgebra(expressionR expression of matrix operators and matrix functionsnameoptional character string. name of objectdimnameslist of length 2 for row and column names respectivelymxRun(modelMxModel object to be optimizedsilentboolean indicating whether to print status to terminalOpenMx Reference Key hm 9/28/10mxBounds(parameterscharacter vector. names of parameters on which to apply boundsmin =NAnumeric value for lower boundmax =NA)numeric value for upper boundmxConstraint(expressionR expression of matrix operators and matrix functionsname =NA)optional character string. name of objectmxData(observedmatrix/data.frame of datatypecharacter string. type of data:“raw”, “cov”, “cor” “sscp”means =NAoptional vector of means (when ‘type’=“cov” or “cor”)numObs =NA)number of observations in data (required unless ‘type’=“raw”)mxOption(modelMxModel objectkeyname of optionvaluevalue of optionreset =FALSElogical. TRUE=reset all options to their defaultsmxEval(expressionarbitrary R expressionmodelmodel in which to evaluate expressioncompute =FALSElogical. TRUE=compute value of algebra expressionsshow =FALSE)logical. TRUE=print translated expressionmxFIMLObjective(covariancecharacter string. name of expected covariance algebrameanscharacter string. name of expected means algebradimnames =NAoptional character vector. to assign to dimnames of covariance and meansthresholds =NAoptional character string. name of thresholds matrixvector =FALSElogical value indicating if objective function results is likelihood vectormxRAMObjective(Acharacter string. name of 'A' matrix (of asymmetric paths)Scharacter string. name of 'S' matrix (of symmetric paths)Fcharacter string. name of 'F' matrix (of filter matrix)M =NAoptional character string. name of 'M' matrix (of expected means vector)dimnames =NAoptional character vector to be assigned to column names of F and Mthresholds =NA)optional character string. name of expected thresholds matrixmxAlgebraObjective(algebra)character string. name of MxAlgebra/MxMatrix object used in optimizationOpenMx Reference Key hm
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