In the MACS2 output file "NAME_peaks.narrowPeak", there's a column called "integer score for display". I found the score is not proportional to the 7th column "fold-change".
For example, I have two peaks. The "integer score for display" and "fold-change" for these two are:
peak1 207 3.21293
peak2 268 3.16602
So for peak1, the "fold-change" is higher than peak2, however, its "integer score for display" is lower than peak2.
And the "integer score for display" is also not proportional to "pileup height at peak summit" (6th column in "NAME_peaks.xls").
As I didn't find any description about this score in their papers, I'm wondering how the score is calculate? How could I understand this "integer score for display" properly? I mean how this score represent the intensity/affinity of TF binding?