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That's fine. I do think the other would be useful. Perhaps we can
allow it to be an equation.

Chris

On Sep 12, 2009, at 11:45 AM, Nicolas Le novère wrote:

> We can imagine anything. For instance cases of cooperativity where the
> activity would be non-linear with the number of subunits . You could
> indeed
> use a pure number associated with your CI, CI2, CI3 etc. But you may
> want
> to attach a formula that computes this number based on a parameter.
> For
> instance, in a group "active", CI would be associated with k, CI2
> with k*n,
> CI3 with k*n^2 etc. Then you can do parameter scans on n (or
> whatever).
>
> This is becoming a bit complicated. I am not sure we are going to
> agree
> soon on what the id of a group represent. Since the group proposal
> addresses the problem of grouping entity of the same type, your
> problem can
> be addressed by regular assignment rule, and that generalised
> reactions are
> not yet on the menu, I propose that we start with no numerical
> semantic
> behind the id, and see what happens, and how many tools support it
> eventually.
>
> Chris J. Myers wrote:
>> I don't believe a more complicated formula is ever needed at least
>> for
>> any purpose that I can imagine.
>>
>> Chris
>>
>> On Sep 12, 2009, at 2:49 AM, Michael Hucka wrote:
>>
>>>>>>>> On 9 Sep 2009, "Chris J. Myers" <myers@ece.utah.edu> wrote:
>>> myers> This is why I suggest adding a number to the group
>>> myers> association. So you could have a group CIt with
>>> myers> species CI and CI2. CI would be associated with
>>> myers> group CIt with value 1 and CI2 would be associated
>>> myers> with group CIt with value 2.
>>>
>>> But ... is it guaranteed that in all cases, it will be a
>>> simple sum over products of number*id? Isn't it possible
>>> that in some cases the combination needs a more complicated
>>> formula? (The answer may be no -- I don't know.)
>>>
>>> MH
>>>
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>
> --
> Nicolas LE NOVERE, Computational Neurobiology, EMBL-EBI, Wellcome-
> Trust
> Genome Campus, Hinxton CB101SD UK, Mob:+447833147074, Tel:
> +441223494521
> Fax:468,Skype:n.lenovere,AIM:nlenovere,MSN:nlenovere@hotmail.com(NOT
> email)
> http://www.ebi.ac.uk/~lenov/, http://www.ebi.ac.uk/compneur/
>
>
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