[Bioc-devel] [devteam-bioc] problem w/ "exprs<-" method and LumiBatch objects

[Robert Castelo]

hi Kasper,

you're right. i should have done this upfront, this was too much S4 
magic to be true :)

cheers,
robert.


On 1/10/14 5:14 PM, Kasper Daniel Hansen wrote:
> Robert: The alternative to using exprs<- is to instantiate a new object,
> just copying the old phenodata.
>
> Kasper
>
>
> On Fri, Jan 10, 2014 at 10:58 AM, Levi Waldron <levi.waldron at hunter.cuny.edu
>> wrote:
>> On Fri, Jan 10, 2014 at 9:59 AM, Kasper Daniel Hansen <
>> kasperdanielhansen at gmail.com> wrote:
>>
>>> Unfortunately, you may want to be careful about making it too robust
>>> (depending on what you mean).  For example filtering methods could very
>>> well be seen as replacing one matrix with a smaller one.  Not sure if
>>> these
>>> methods use exprs<-, but that is probably how I would do it.
>>>
>>> What would be better is if in the process of doing the replacement, the
>>> other slots are harmonized in a relevant way.  That would require row
>>> names
>>> on the replacement matrix.
>>>
>> I suspect I also have used exprs<- to change the number of rows of an
>> ExpressionSet during analyses, when there were no featureData. Not that I
>> mind changing, but it may not be unusual "out there."
>>
>>
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