[R] Trying to coerce an AnnotatedDataFrame in order to access Probeset Info

[Bert Gunter]

Isn't this a Bioconductor package? If so, shouldn't you be posting on their
website instead of here?
(Apologies if I'm mistaken).


Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Wed, Jul 17, 2019 at 1:20 PM Spencer Brackett <
spbrackett20 using saintjosephhs.com> wrote:

> Good evening,
>
> I downloaded the Biobase package in order to utilize the ExpressionSet and
> other features hosted there to examine annotations for probeset data, which
> I seek to visualize. I currently have pre-analyzed object located in my
> environment containing said probeset info, along with gene id and location.
> After experimenting with the following approaches, I'm am at a loss for as
> to why the AnnotatedDataFrame function is not being recognized by R.
>
> ##Example of some of my attempts and their respective error messages##
>
> >AnnotatedDataFrame()
>     Error in AnnotatedDataFrame() : could not find function
>    "AnnotatedDataFrame"
>
>  signature(object="assayData")
>      object  "assayData"
> > annotatedDataFrameFrom("assayData", byrow=FALSE)
> Error in annotatedDataFrameFrom("assayData", byrow = FALSE) :
>   could not find function "annotatedDataFrameFrom"
>
> >as(data.frame, "AnnotatedDataFrame")
> Error in as(data.frame, "AnnotatedDataFrame") :
>   no method or default for coercing “function” to “AnnotatedDataFrame”
>
> Best,
>
> Spencer
>
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>
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