> For the complete documentation index, see [llms.txt](https://docs.marpledata.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.marpledata.com/docs/marple-insight/user-manuals/analysis/dataset-modes/chain.md).

# Chain

## Chain

If you have several consecutive recordings, you can chain them together so they appear as one continuous timeline.  This is useful when, for example, a recording was split into multiple files, or when you ran several sessions of the same test.

<figure><img src="/files/Xs65LekdH5phia7wfl4G" alt=""><figcaption><p>Weather data from three different datasets (one per day) chained together as one dataset</p></figcaption></figure>

### Enable chain

When you visualise multiple datasets, choose Chain in the dialog that pops up. You can also switch to Chain at any time from the Datasets dialog at the bottom left of your tab.

Your datasets are now placed end-to-end on the time axis, so you can scroll through them as a single, uninterrupted measurement.

### Select and order datasets

Open the Organise datasets dialog by clicking the Organise datasets button in the Datasets dialog, or by pressing the `i` key. In Chain mode, each dataset has a checkbox in front of it. Tick the datasets you want to include, and change their order using the arrows on the right. The order of the datasets determines the order in which they appear along the time axis.

<figure><img src="/files/4ZVRwAA5dA0Nj8AX3jZG" alt=""><figcaption></figcaption></figure>

### Configure the time axis

* **First timestamp:** the original start time of the dataset.
* **Auto-align:** chains datasets with relative timestamps end-to-end automatically. If your datasets all use absolute timestamps, they keep their original positions.
* **Delta offset:** additional offset in seconds to add or remove a gap between two recordings. You can use the distance between the two cursors to visually set this offset.
* **Result first timestamp:** the start time of the dataset after all offsets are applied.

<figure><img src="/files/MuK3o7LrZWq6wblQcbfT" alt=""><figcaption><p>Offsets can be specified via the gear button next to "Datasets" or in he "Organise datasets" modal (screenshot above)</p></figcaption></figure>
