# 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](/partek/partek-flow/user-manual/task-menu/peak-analysis/annotate-peaks.md) * [Filter peaks](/partek/partek-flow/user-manual/task-menu/peak-analysis/filter-peaks.md) * [Promoter sum matrix](/partek/partek-flow/user-manual/task-menu/peak-analysis/promoter-sum-matrix.md) ## 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. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.connected.illumina.com/partek/partek-flow/user-manual/task-menu/peak-analysis.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.