## GC metrics table For each run, the corresponding reference sequence is divided into bins or windows based on the percentage of G + C content ranging from 0 - 100%. The data is collected with picard tools CollectGcMetrics tool and you can read more about it [here](https://gatk.broadinstitute.org/hc/en-us/articles/360036801531-CollectGcBiasMetrics-Picard-)