#
# SVMBridge
# (C) 2015, by Aydin Demircioglu
#
# SVMBridge is free software: you can redistribtrainSVMute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SVMBridge is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# Please do not use this software to destroy or spy on people, environment or things.
# All negative use is prohibited.
#
#' Read a model from a given file
#'
#' @param modelFile Path to the file to read the model from
#' @param modelType Name of the SVM method/solver. If Null, detectModel will be called.
#' @param verbose Be verbose?
#'
#' @return An SVM model
#'
#' @note If no modelType is given, the model will be inferred from detectModelTypeFromFile.
#' If this fails, an error will be issued.
#'
#' @export
#'
readModelFromFile = function(modelFile = NULL, modelType = NULL, verbose = FALSE) {
# file must be there.
checkmate::checkFile (modelFile)
# automatic detection, if no method is given
if (is.null (modelType) == TRUE) {
if (verbose == TRUE)
cat ("No model type given, checking automatically. ")
modelType = detectModelTypeFromFile (modelFile = modelFile)
if (verbose == TRUE)
cat ("Found model:", modelType, "\n")
}
# check that we have a model now.
checkmate::checkString (modelType)
# get the correct object
SVMObject = getSVMObject (modelType)
if (checkmate::testClass (SVMObject, "SVMWrapper") == FALSE) {
stop ("Could not find the SVM Wrapper corresponding to model ", modelType, ". Please make sure it is loaded first.\n")
}
if (verbose == TRUE) {
cat ("Handling over reading model to object\n")
}
# read model
model = readModel (SVMObject, modelFile = modelFile, verbose = verbose)
return (model)
}
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