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## description: Line Chart

# Line

The Line chart represents a series of data as a line or multiple lines, plotted across time or another numerical dimension.

| Features                                                           | Quantity | Notes                                      |
| ------------------------------------------------------------------ | -------- | ------------------------------------------ |
| Required [Dimensions](/immerse/measures-and-dimensions#dimensions) | 1-2      | Dimension 1 = X Axis, Dimension 2 = Series |
| Required [Measures](/immerse/measures-and-dimensions#measures)     | 1        | Measure 1 = Y Axis.                        |

The optional multi-series capability of the Line chart can break out values by an additional dimension.

## Line Chart Examples

Create a new Line chart. Choose a **Data Source**. This example uses the official database of [UFO sightings](https://github.com/planetsig/ufo-reports/tree/master/csv-data)

Categorize UFO sightings on the **Dimension** *sighting\_time* and set the **Measure** to the number of records (the number of sightings).

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/a86232599e892840c5090ac5176cd3a93a92a6f6ac3413f6297f8149655581dd/docs/assets/SS_70.jpg)

Adding the **Dimension** *shape* displays a separate line for each sighting type across time.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/19bffbc9ad8756f127cca0f91360b391bdcb4c4dfe6ac628baf76e70a29544c0/docs/assets/SS_71.jpg)

The records go back to 1905, with very few recorded sightings. Selecting a more recent 10-year block presents information in a more digestible form. For an ad hoc report, you can brush across values in the Range Chart to filter a smaller number of data points, or you can enter start and end dates on the x axis for precise values.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/c5402fc2e54db35dd9ea7ca16171bb7a35176d79538eaa0bd366192ae8395bad/docs/assets/SS_72.jpg)

When you set the x axis to a date/time value, you have the option of setting the intervals to month, quarter, or year. Setting the **BIN** to **1y** can make the values easier to discern.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/7ad014a1901bd469fe122ac12d256f95cc6caaaa5f38d16a13affaf47ccd4ac5/docs/assets/SS_73.jpg)

You can change from a line chart to an area chart, adding more contrast to make the differences between the values more apparent.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/8ced6d75cad9f4d5ae45a04ea51ba18281d33b1eaf8a3a8ed7f74480407cde7e/docs/assets/SS_74.jpg)

You can also reduce the number of series displayed by removing their entries from the **COLOR PALETTE**.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/086cec3e61de1d2d301570f3f66ed832cafeac3580f41e8ea40640da595a257d/docs/assets/SS_75.jpg)

After you reduce the scope of the chart, you can change the labels on the axes and the chart title to reflect the current state of the information.

![](https://files.buildwithfern.com/heavyai.docs.buildwithfern.com/heavyai/56e10437aa3ff1048ada1fd06de784beb18db87b23242f76c3199e6e8d9f8946/docs/assets/SS_76.jpg)