> For the complete documentation index, see [llms.txt](https://docs.predicteasy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.predicteasy.com/data-preprocessing/replacement.md).

# Replacement

Replacement involves **substituting certain values within a dataset.** For example, replacing missing values with a predefined value like mean, median, or a specific constant, or replacing certain categories with new values. It's useful for handling missing data or modifying specific entries in a dataset.

<figure><img src="/files/XK0FXVPPNqZ0hwevSSnM" alt="" width="303"><figcaption></figcaption></figure>

**Steps to follow:**

1. Choose the column where you want to perform the "Find and Replace" operation.&#x20;
2. Look for the "Find and Replace" option within PredictEasy.&#x20;
3. In the "Find" field, enter the text or value you want to locate within the selected column.
4. In the "Replace" field, enter the text or value you want to replace the found instances with.
5. Initiate the "Find and Replace" operation. This action triggers the replacement process.