| mxRestore {OpenMx} | R Documentation |
The function loads the last saved state from a checkpoint file.
mxRestore(model, chkpt.directory = ".", chkpt.prefix = "")
model |
MxModel object to be loaded. |
chkpt.directory |
character. Directory where the checkpoint file is located. |
chkpt.prefix |
character. Prefix of the checkpoint file. |
In general, the arguments ‘chkpt.directory’ and ‘chkpt.prefix’ should be identical to the mxOption: ‘Checkpoint Directory’ and ‘Checkpoint Prefix’ that were specificed on the model before execution.
Alternatively, the checkpoint file can be manually loaded as a data.frame in R. Use read.table with the options ‘header=TRUE’, ‘stringsAsFactors=FALSE’ and ‘check.names=FALSE’.
Returns an MxModel object with free parameters updated to the last saved values.
The OpenMx User's guide can be found at http://openmx.psyc.virginia.edu/documentation.
#Create a model that includes data,
#matrices A, S and F, and an objective function
## Not run:
data <- mxData(mydata, type="cov", numObs = 100)
objective <- mxRAMObjective('A', 'S', 'F')
model <- mxModel("mymodel", A, S, F, data, objective)
#Use mxRun to optimize the free parameters in the matrices A and S
modelOut <- mxRun(model, checkpoint = TRUE)
#Use mxRestore to load the last saved state of the model
modelRestore <- mxRestore(model)
## End(Not run)