# Peak analysis

Peak region detection is performed on each sample respectively. The peak regions can be analyzed across samples. Partek Flow provides tools necessary to interrogate and prioritize regions for further analysis.

* [Annotate peaks](https://help.connected.illumina.com/partek/partek-flow/user-manual/task-menu/peak-analysis/annotate-peaks)
* [Filter peaks](https://help.connected.illumina.com/partek/partek-flow/user-manual/task-menu/peak-analysis/filter-peaks)
* [Promoter sum matrix](https://help.connected.illumina.com/partek/partek-flow/user-manual/task-menu/peak-analysis/promoter-sum-matrix)

## Additional Assistance

If you need additional assistance, please visit [our support page](http://www.partek.com/support) to submit a help ticket or find phone numbers for regional support.