> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/corr.md).

# CORR

CORR(`series 1`, `series 2`, `[coefficient type]`)

Returns a specified correlation coefficient between two series of values.

### Arguments

| Input              | Description                                                 |
| ------------------ | ----------------------------------------------------------- |
| `series 1`         | First numerical series                                      |
| `series 2`         | Second numerical series                                     |
| `coefficient type` | Correlation Coefficient Type: \[Pearson, Spearman, Kendall] |

### Outputs

Outputs a correlation coefficient.

### Example

{% embed url="<https://datawrapper.dwcdn.net/TRIhj/2>" %}

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