Table 2.

Correlations between signal intensities for replicate hybridizations

Sample	Input RNA	Range of correlations1
Experiment 1
cUHR 1–22	20 ng	0.996
Experiment 2
Mouse liver 1–3	5 ng	0.983–0.993
Mouse liver 4–6	100 ng	0.986–0.991
Experiment 3
K562 1–3	10 ng	0.985–0.990
sUHR 1–3	10 ng	0.983–0.991

¹Correlation coefficients (r values) were calculated by examining all three possible pairwise comparisons between replicates.

²The third replicate from this set was removed from all calculations due to losses of material during sample preparation.