[BioC] Convert MA to exprSet

[Martin Morgan]

On 01/16/2011 11:56 AM, Andrew Wang wrote:
> Hi, everyone
> 
> A simple and old question bout conversion from MA to exprSet. When
> converting MA (after normalizing both within and between array) to exprSet,
> it complained no method as shown below. Could you please post why and how?
>> myexprSet <- as(MA, "exprSet")
> Error in as(MA, "exprSet") :
>   no method or default for coercing "MAList" to "exprSet"

Hi Andrew --

  library(convert)
  as(MA, "ExpressionSet")

This is with

> sessionInfo()
R version 2.12.0 Patched (2010-11-21 r53647)
Platform: x86_64-unknown-linux-gnu (64-bit)

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] convert_1.26.0 marray_1.28.0  limma_3.6.9    Biobase_2.10.0

loaded via a namespace (and not attached):
[1] tools_2.12.0



Martin

> 
> 
> Thanks.
> 
> Andrew
> 
> 	[[alternative HTML version deleted]]
> 
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