#
# Copyright 2007-2021 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)
library(testthat)
# 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")
#-----------------
test_that("mismatched starting values", {
m2 <- mxModel(mxMatrix("Full", 2, 1, TRUE, values=c(1,2),
labels="same", name="A"))
expect_error(mxRun(m2), "assigned multiple starting values")
mxRun(omxAssignFirstParameters(m2))
})
test_that("mismatched lbound", {
m2 <- mxModel(mxMatrix("Full", 2, 1, TRUE, values=1,
labels="same", lbound=c(.1,.2), name="A"))
expect_error(mxRun(m2), "assigned multiple lower bounds")
mxRun(omxAssignFirstParameters(m2))
})
test_that("mismatched ubound", {
m2 <- mxModel(mxMatrix("Full", 2, 1, TRUE, values=1,
labels="same", ubound=c(.1,.2), name="A"))
expect_error(mxRun(m2), "assigned multiple upper bounds")
mxRun(omxAssignFirstParameters(m2))
})
test_that("equal bounds", {
m2 <- mxModel(mxMatrix("Full", 1, 1, TRUE, values=1.5,
lbound=2, ubound=1, name="A"))
expect_error(mxRun(m2), "greater than or equal to an upper bound")
})
test_that("mxPath bounds", {
lb <- seq(.75,3,length.out=10)
lb[6] <- NA
expect_error(mxPath(letters[1:5], connect = "unique.bivariate",
lbound = lb, ubound = 2),
"2.25 is greater than or equal to upper bound")
})
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