---
title: mean
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphrandomopdescriptor/mean
---

# mean

The mean of the distribution.

## Declaration

```swift
var mean: Float { get set }
```

## Discussion

Discussion This value is used for Normal and Truncated Normal disributions. Defaults to 0.