Manually compute NUSE score
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jacorvar ▴ 40
@jacorvar-8972
Last seen 8 months ago
European Union

Hi,

I would like to manually compute NUSE scores for Affy Microarray Data, but I do not know to do it. I computed the RLE score by subtracting its median to a matrix of intensities, but can't find a formula for NUSE.

 

NUSE qualitycontrol microarray • 894 views
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Diego Diez ▴ 760
@diego-diez-4520
Last seen 11 months ago
Japan

Why not use the affyPLM package? You can find in the package's web site Ben Bolstad's publications where it is descibed. It is also described in this paper by Rafael Irizarry: Assessing affymetrix GeneChip microarray quality.

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Or you could use the oligo package as well.

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