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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.
library(OpenMx)
# Try with 2 appearances of 'x', one starting at 1.0 and the other NA
m1 <- mxModel(mxMatrix(nrow=1,ncol=1,free=TRUE,labels="x",name="mat1"),
mxMatrix(nrow=1,ncol=1,free=TRUE,values=1,labels="x",name="mat2"),
mxAlgebra(abs(mat1), "abs"),
mxFitFunctionAlgebra("abs"))
m1$mat1$values[1,1] <- NA
afp <- omxAssignFirstParameters(m1)
omxCheckEquals(afp$mat1$values[1,1], 1)
omxCheckEquals(afp$mat2$values[1,1], 1)
params <- omxGetParameters(m1)
omxCheckEquals(params, 1)
m1 <- mxRun(m1)
omxCheckCloseEnough(m1$output$estimate, 0, 1e-6)
omxCheckEquals(m1$mat1$values, m1$mat2$values)
#----------------- single appearance of 'x', no starting value
m1 <- mxModel(mxMatrix(nrow=1,ncol=1,free=TRUE,labels="x",name="mat1"),
mxAlgebra(abs(mat1), "abs"),
mxFitFunctionAlgebra("abs"))
m1$mat1$values[1,1] <- NA
omxCheckError(mxRun(m1), "Parameter 'x' has no starting value")
#----------------- two appearances of 'x', no starting values
m1 <- mxModel(mxMatrix(nrow=1,ncol=1,free=TRUE,labels="x",name="mat1"),
mxMatrix(nrow=1,ncol=1,free=TRUE,labels="x",name="mat2"),
mxAlgebra(abs(mat1), "abs"),
mxFitFunctionAlgebra("abs"))
m1$mat1$values[1,1] <- NA
m1$mat2$values[1,1] <- NA
omxCheckError(mxRun(m1), "Parameter 'x' has no starting value")
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