Function converts a dimension name or number to a dimension Code used for MAgPIE objects
Usage
dimCode(dim, x, missing = 0)
Arguments
dim
A vector of dimension numbers or dimension names which should be translated
x
MAgPIE object in which the dimensions should be searched for.
missing
Either a value to which a dimension should be set in case that it is not found (default is 0), or "stop" indicating that the function should throw an error in these cases.