Error in (function (classes, fdef, mtable): unable to find an inherited method for function ‘annotation’ for signature ‘"character
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10.0 years ago
ira_grich • 0

INSILICOMERGING: Run with no additional merging technique...

Error in (function (classes, fdef, mtable): unable to find an inherited method for function ‘annotation’ for signature ‘"character"

inSilicoMerging • 14k views
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And the command that produced this was...? I'm guessing you ran merge("esets") or something like that, instead of merge(esets), but I pretty much have to read your mind to know what you're actually doing.

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Hi Devon,

I am using "inSilicoMerging" and getting an error message:

Error in (function (classes, fdef, mtable)  :  unable to find an inherited method for function 'annotation' for signature '"character"'

I Use R version 3.1.0 ; Bioconductor version 2.14; on Mac OS X 10.7.5

My steps:

(1) # From ArrayExpress I download 2 raw zip files: E-GEOD-52763 (E-GEOD-52763.raw.1.zip) and E_GEOD-45006 (E-GEOD-45006.raw.1.zip)

# code
library(affy)
library(annaffy)
ReadCell = ReadAffy()
Norm.data = rma(ReadCell)
eset1<-Norm.data

# code
eset2<-Norm.dat

# code:
library(inSilicomerging
> esets=list(eset1,eset2)
> eset_FRMA = merge(esets)

INSILICOMERGING: Run with no additional merging technique...
Error in (function (classes, fdef, mtable): unable to find an inherited method for function 'annotation' for signature '"character"'

or any other gave me the same error message:

> eset_BMC = merge(esets, method="BMC")
> eset_NULL = merge(esets, method=NULL, norm="FRMA", features = "GENE");
> eset_12 = merge(esets, method=NULL, norm="ORIGINAL");
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I'm using virtualArray package and I got the same error!!!

how you solve your problem?

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