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Table 1 Definition of true and false positive rates. Synopsis of the rules for calling true/false positives and negatives, which take into account the sign of the direction of differential expression: "+" for over-expression in UHR, "-" for over-expression in Brain.

From: Evaluation of statistical methods for normalization and differential expression in mRNA-Seq experiments

   mRNA-Seq  
   Non-DE DE + DE-  
  Non-DE TN FP FP N
qRT-PCR DE + FN TP FP P
  DE- FN FP TP  
  1. The true positive rate (TPR) is estimated as TP/P and the false positive rate (FPR) as FP/N.