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#
# Copyright 2007-2018 by the individuals mentioned in the source code history
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require(OpenMx)
varNames <- c('x','y','z')
origCov <- matrix(c(3.6,2.2,0.5,2.2,3.2,2,0.5,2,3.9), nrow = 3,
dimnames = list(varNames, varNames))
data <- mxData(origCov, type = "cov", numObs = 10)
s <- mxMatrix("Symm", free = TRUE,
values = matrix(c(10,9,9,9,10,9,9,9,10), nrow = 3),
labels = matrix(c("v1", "c12", "c13",
"c12", "v2", "c23",
"c13", "c23", "v3"), nrow = 3),
dimnames = list(varNames, varNames),
name = "s", lbound = -100, ubound = 100)
c <- mxMatrix("Full", free = FALSE, values = 0.4, nrow = 3, ncol=3, name= "c")
model <- mxModel("model", data, s, c,
mxConstraint(s > c, name = "constraint"),
mxBounds(c("v1", "v2", "v3"), min = 0),
mxFitFunctionML(),
mxExpectationNormal("s"))
run <- mxRun(model)
omxCheckCloseEnough((mxEval(s, run)/ origCov), matrix(.9,3,3), 1e-4) # constraint not active
c <- mxMatrix("Full", free = FALSE, values = 0.6, nrow = 3, ncol=3, name= "c")
model <- mxModel("model", data, s, c,
mxConstraint(c < s, name = "constraint"),
mxBounds(c("v1", "v2", "v3"), min = 0),
mxFitFunctionML(),
mxExpectationNormal("s"))
run <- mxRun(model)
# constraint active
omxCheckCloseEnough(var(c(mxEval(s, run) / origCov)), 0.01381, 1e-4)
#cat(deparse(round(c(vech(mxEval(s, run))),3)))
omxCheckCloseEnough(vech(mxEval(s, run)), c(3.289, 2.073, 0.6, 2.978, 1.906, 3.563), .001)
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