This function sets the minimum data threshold
Examples
if (FALSE) {
EVAppObj <- COMCreate('EchoviewCom.EvApplication')
EVFile <- EVOpenFile(EVAppObj,'~~/KAOS/KAOStemplate.EV')$EVFile
varObj <- EVAcoVarNameFinder(EVFile, "38 seabed and surface excluded")$EVVar
EVminThresholdSet(varObj, -80)
}