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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)
# Seed
set.seed(4)
# Data covariance matrix
dataCov <- rbind(c(4,2,2),
c(2,4,2),
c(2,2,4))
dataMean <- c(2,-2,1)
# Variable names
manifests <- c('X','Y','Z')
latents <- c('G')
# Dimnames
colnames(dataCov) <- manifests
rownames(dataCov) <- manifests
names(dataMean) <- manifests
factorModel <- mxModel("Factor Model 1L3M",
type="RAM",
manifestVars = manifests,
latentVars = latents,
# Regression Loadings
mxPath(from='G', to=manifests,value=c(1,2,3),free=FALSE),
# Variances
mxPath(from=manifests, arrows=2,value=c(1,1,1), labels=c('E1','E1','E1')), # error variance
mxPath(from=latents, arrows=2,values=1.0, labels=c("VG")), # variances of the latents
# Latent means vector
mxPath(from="one", to=latents, arrows=1, values=0, labels=c("MG"), free=TRUE),
mxData(dataCov, mean=dataMean, type="cov",numObs=100)
)
# Should be able to test fake latents, but there's a bug blocking the foldout function from working on this model
imxPPML.Test.Battery(factorModel, testFakeLatents=FALSE, tolerances=c(NA, .0001, .0001)) # NA -> Don't check covariance data w/ means
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