combinecategoricalcolumns.qmd

---
title: "Combine categorical columns"
author: "Cox Lab"
format: 
  html:
    toc: true
    toc-depth: 4
    toc-expand: false
    number-sections: true
    number-depth: 4
editor: source
date: today
bibliography: references.bib
---

# General

-   **Type:** - Matrix Processing
-   **Heading:** - Rearrange
-   **Source code:** [CombineCategoricalColumns.cs](https://github.com/JurgenCox/perseus-plugins/blob/master/PerseusPluginLib/Rearrange/CombineCategoricalColumns.cs)

# Brief description

Combine the terms in two categorical columns to form a new categorical column.

Output: A new categorical column is generated with combined terms.

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# Parameters

## First column

First selected categorical column, whose values should be concatenated to the second one (default: first categorical column of the matrix). The new generated categorical column contains the two values concatenated with a "\_" in between.

## Second column

Second selected categorical column, whose values should be concatenated to the first one (default: first categorical column of the matrix). The new generated categorical column contains the two values concatenated with a "\_" in between.

# Parameter window

![Combine categorical columns](images/rearrange-combine_categorical_columns-edited.png)