|
Type of RNA
|
Pearsona
|
Spearmanb
|
Weighted Kappac
|
|---|
|
Human, 4 μg
|
0.97
|
0.97
|
0.86
|
|
Pig, 2 μg
|
0.97
|
0.97
|
0.82
|
|
Pig, 4 μg
|
0.97
|
0.97
|
0.80
|
|
Pig, 6 μg
|
0.96
|
0.97
|
0.86
|
- aPearson correlation coefficient assumes data are normally distributed. bSpearman correlation coefficient assumes data are symmetrical. cThe weighted Kappa statistic assumes data are ordinal. . Pearson and Spearman correlation coefficients were calculated from median normalized and log transformed data. All genes were categorized according to their normalized expression level (undetectable, 0; low, 0 to 1.3; medium 1.3 to 3.0; or high, >3.0) for calculation of the weighted Kappa statistic. Results are the average of the three pairwise comparisons among three hybridizations of each type of RNA.
