inst/models/passing/AlgebraTransformations.R

In OpenMx: Extended Structural Equation Modelling

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#   Copyright 2007-2018 by the individuals mentioned in the source code history
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#        http://www.apache.org/licenses/LICENSE-2.0
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require(OpenMx)

foo <- mxMatrix('Full', 1, 1, free = TRUE, name = 'foo', dimnames=list('a','b'))
bar <- mxAlgebra(cbind(foo, foo), name = 'bar')
baz <- mxAlgebra((foo[1,1] - 2) %*% (foo[1,1] - 2), name = 'baz')
objective <- mxFitFunctionAlgebra('baz')
model <- mxModel('model', foo, bar, baz, objective,
		 mxMatrix('Full', 2, 2, values=.5, name="half"),
		 mxAlgebra(half * foo, name="halfFoo"))
out <- mxRun(model, suppressWarnings=TRUE)
outSummary <- summary(out)
omxCheckEquals(nrow(outSummary$parameters), 1)

omxCheckTrue(all(dim(out$foo$values) == 1))
omxCheckEquals(rownames(out$foo), "a")
omxCheckEquals(colnames(out$foo), "b")
omxCheckTrue(all(dim(out$halfFoo) == 2))