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Error in design matrix command of R

Hi I'm working on R and facing some error can anyone please help me out in removing the error please. It will be very helpful.

fit = lmFit(gse50397eset, design_gse50397)
Error in lmFit(gse50397eset, design_gse50397) : 
  row dimension of design doesn't match column dimension of data object
r limma affy bioconductor
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written by 786 786

Can you check and post:

dim(gse50397eset)
dim(design_gse50397)
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written by WouterDeCoster WouterDeCoster

I've read it that was something different in the case you're refering the control and disease were not identified but in this scenario there is a problem in matching of no of rows and columns

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written by 786 786

Could you post the code with which you created the gse50397eset and design_gse50397 objects? Kinda hard to troubleshoot now.

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written by WouterDeCoster WouterDeCoster

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