This looks like it is due to the changes to as.data.frame,List. XStringSet
just needs a method that preserves the original behavior.
On Fri, May 2, 2014 at 1:54 AM, Julian Gehring <julian.gehr...@embl.de>wrote:
> Hi,
>
> With the latest bioc-devel, the convertion of XStringSets within a
> DataFrame to a data.frame behaves strangely:
>
> library(Biostrings)
> dss = DNAStringSet(c("ACT", "AAA"))
> DF = DataFrame(dss)
>
> as(DF, "data.frame")
>
> In the latest bioc-devel, this splits the strings:
>
> dss.group dss.group_name dss.value
> 1 1 <NA> A
> 2 1 <NA> C
> 3 1 <NA> T
> 4 2 <NA> A
> 5 2 <NA> A
> 6 2 <NA> A
>
> In older versions of bioc-devel (e.g. from last week) and bioc-stable,
> this keeps the structure and converts to strings to factor levels:
>
> dss
> 1 ACT
> 2 AAA
>
> Any idea what is causing this?
>
> Best wishes
> Julian
>
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>
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