---
title: Variable Importance vs. Variable Impact
description: The difference between the importance and impact of variables
---

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# Variable Importance vs. Variable Impact

## The difference between the importance and impact of variables

**General Variable Usag**e, or **Global Variable Importance**, is shown in the **Synergy Power Gauge** and captures all the variables used in your model. Not all of these variables will influence each site's projection, but they *are* all important to the overall model.

![](https://support.sitezeus.com/hs-fs/hubfs/image-png-Jun-28-2021-02-46-44-00-PM.png?width=688&height=956&name=image-png-Jun-28-2021-02-46-44-00-PM.png)

The **Site Variable Importance** captures the actual impact variables have on the revenue projection for a specific site. You can see the Site Variable Importance in the Zeustimate panel by dropping a pin and selecting the dark-blue ribbon that expanding the section titled "Site Variable Importance".

![](https://support.sitezeus.com/hs-fs/hubfs/image-png-Aug-02-2023-02-35-42-8454-PM.png?width=688&height=876&name=image-png-Aug-02-2023-02-35-42-8454-PM.png)

Once selected, the ribbon will expand to show the percentage by which each variable increased or decreased the site's Zeustimate. It will also show the percentage globally that this variable had in the overall model.

![](https://support.sitezeus.com/hs-fs/hubfs/image-png-Aug-02-2023-02-37-29-6814-PM.png?width=307&height=552&name=image-png-Aug-02-2023-02-37-29-6814-PM.png)     ![](https://support.sitezeus.com/hs-fs/hubfs/image-png-Aug-02-2023-02-38-48-9031-PM.png?width=354&height=552&name=image-png-Aug-02-2023-02-38-48-9031-PM.png)

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