add section on library complexity ENCODE guidelines

dunnart/README.md

@@ -339,6 +339,17 @@ Total estimated number of unique 150-mers: 2740338543
 ### rule get_picard_complexity_metrics:
 
 
+Library Complexity
+
+ChIP-seq Standards:
+
+| PBC1 | PBC2 | Bottlenecking level | NRF | Complexity | Flag colors |
+|:-:|:-:|:-:|:-:|:-:|:-:|
+| < 0.5 | < 1 | Severe | < 0.5 | Concerning | Orange |
+| 0.5 ≤ PBC1 < 0.8 | 1 ≤ PBC2 < 3 | Moderate | 0.5 ≤ NRF < 0.8 | Acceptable | Yellow |
+| 0.8 ≤ PBC1 < 0.9 | 3 ≤ PBC2 < 10 | Mild | 0.8 ≤ NRF < 0.9 | Compliant | None |
+| ≥ 0.9 | ≥ 10 | None | > 0.9 | Ideal | None |
+
 #  5. deepTools
 
 ### rule deeptools_summary: