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.wald...@hunter.cuny.edu
> wrote:
> On Fri, Jan 10, 2014 at 9:59 AM, Kasper Daniel Hansen <
> kasperdanielhan...@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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