How can studies compare microarray datas with rna-seq?
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8 weeks ago
Znow ▴ 20

I would like to compare RNA-seq data from TCGA BRCA with GEO microarray. I am going to make a risk score for predicitng prognosis bases on the coefficients from a lasso-cox model multiplied by the gene expression. Most of the studies available in pubmed trains their models in TCGA RNA-seq data and tests it in GEO microarray datasets. However, they use different measures, how is it possible to compare them? Can someone please help?

RNA-seq microarray • 428 views
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As you mentioned, you can use TCGA as the discovery set, and use GEO as validation. The data is never mixed together during analysis, and you are simply compare the findings.

Don't mix and compare the data directly.

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8 weeks ago
Nomsy • 0

You can just direct compare them, with no problems

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