> For the complete documentation index, see [llms.txt](https://sianalytics-ai.gitbook.io/sia-features-backend/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sianalytics-ai.gitbook.io/sia-features-backend/data-analysis-function/kendalls-tau.md).

# Kendalls tau

**Name** : Kendalls tau

**Description**: Kendall's tau is a non-parametric measure of the association between two measured variables. It is used to assess the strength and direction of the relationship between two variables that are measured on an ordinal scale

**Input** : Dataframe - The latest version of uploaded data

**Output** : Dataframe - Link to the saved Dataframe which is modified as per the function  and       Summary of the actions performed

#### Mandatory and Non-mandatory/Advanced hyperparameters required for the function are listed below

| Mandatory | Non-mandatory/Advanced hyperparameters |
| --------- | -------------------------------------- |
|           | Columns                                |
|           | Save As New Table                      |

**Details of Hyperparameters are provided below**

<table><thead><tr><th width="189">Name</th><th width="246">Description</th><th>Accepted range/ values</th><th>Display Name</th></tr></thead><tbody><tr><td>Columns</td><td>Numerical columns to select</td><td>Columns in the Dataframe</td><td>Columns to select</td></tr><tr><td>Save As New Table</td><td>Option to choose whether the dataframe is to be saved as a new table</td><td>-</td><td></td></tr></tbody></table>