# defvar.row argument to mxEval

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Joined: 07/31/2009 - 15:24
defvar.row argument to mxEval

In the OpenMx 1.1 release, the argument defvar.row has been added to the mxEval function. This argument can specify which row number to use when populating definition variables. It is applied only when compute=TRUE in a call to mxEval. The row number uses the R convention of 1-based indexing (ie. the rows are numbered 1, 2, 3, etc.).

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Joined: 07/30/2009 - 14:03
Very handy! When used in a

Very handy! When used in a loop, one might be able to populate a complete set of FIML estimates at the current parameter values: a great debugging tool when a particular row (or rows) might be coming up singular.