Table 2 Correlation coefficients of results of initial scan and antibody-enhanced scan for 4629 probe sets with respect to expression ratios (mean old / mean young) and statistical significance (from t-tests) of the differences between young and old
From: Computational method for reducing variance with Affymetrix microarrays
Variable | Signal Method | Ratio Method |
|---|---|---|
expression ratio | 0.57 | 0.75 |
P, from t-test | 0.39 | 0.56 |
log P, from t-test | 0.55 | 0.68 |