# Outliers selection

The dialog performs manual or automatic outlier selection in the input dataframe.

It returns

1) the input data with outliers marked in additional column
2) the input data with outliers removed

## Manual selection

1) Select the outliers on the scatterplot holding `Shift` key.
2) Click the `Mark` button
3) Enter the reason why the selected plot points are considered as outliers
4) Click `OK`

<img src="https://raw.githubusercontent.com/datagrok-ai/public/master/packages/Compute/help/outliers-selection/manual-selection-demo.gif"/>

## Automatic detection

1) Click the `Auto...` button
2) Choose the function to automatically detect outliers
3) Fill the corresponding function input parameters
4) Click `OK`

<img src="https://raw.githubusercontent.com/datagrok-ai/public/master/packages/Compute/help/outliers-selection/auto-detection-
demo.gif"/>
