> I have been thinking about this and I think it's worth proposing
> formally. But is having a whole level all about units consistency
> justified? Perhaps there are other things we could add to this level
> that could similarly require the intervention/expertise of the model
> author? I can't think of anything off the top of my head right now.

Personally I think there is nothing wrong with the current levels and 
keeping units with getting the model giving correct results. I have 
little faith in a model which can give the correct results while being 
defined with inconsistent units. I was simply suggesting moving units to 
a higher level to try and ease the burden of getting models beyond level 
1 curation, as you pointed out a model which does run and gives 
reasonable results is much better than one which does not run at all, 
even with inconsistent units, depending upon the task you wish to put it to.

The units inconsistency issue is a legacy of the majority of models 
being written by hand with no way to test them. In most cases the models 
already in the repository can now be tested with either JSim or PyCML 
for units consistency, so it would be good to see those tests being done 
as part of your curation workflow - even if that just ends up as a 
comment in the model status that the units are not consistent or something.


David.
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