From: CHIPIN: ChIP-seq inter-sample normalization based on signal invariance across transcriptionally constant genes
Zone 1 (%)
Zone 2 (%)
Zone 3 (%)
Before normalization
32
38
30
Quantile Normalization by CHIPIN
4.6
0.06
8.6
Linear Regression by CHIPIN
1.5
0.1
5.3
Same number of reads
2.8
7.6
2.3
LILY
6.8
17.2
1.9
ChIPSeqSpikeInFree
15.6
11.9
18.2