User: robandclara

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Unable to use qvalue. Estimated pi0 is <=0
... Dear All, I have analysed gene expression microarray results using limma and have a list of pvalues. I want to use qvalue to look for the FDR. Every time I try to use qvalue I get the error : "ERROR: The estimated pi0 <= 0. Check that you have valid p-values or use a different range of lambda." ...
qvalue usage qvalue written 2.0 years ago by robandclara0 • updated 2.0 years ago by Gordon Smyth32k

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Popular Question 2.0 years ago, created a question with more than 1,000 views. For Unable to use qvalue. Estimated pi0 is <=0

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