# Weighted average over temporal dimension

**URL:** https://discourse.itk.org/t/weighted-average-over-temporal-dimension/3636
**Category:** Algorithms
**Tags:** simpleitk
**Created:** [November 19, 2020, 5:20pm UTC](https://discourse.itk.org/t/weighted-average-over-temporal-dimension/3636 "2020-11-19T17:20:32Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![blowekamp](https://discourse.itk.org/user_avatar/discourse.itk.org/blowekamp/32/79_2.png) [@blowekamp](https://discourse.itk.org/u/blowekamp)
#### Post date: [November 19, 2020, 7:37pm UTC](https://discourse.itk.org/t/weighted-average-over-temporal-dimension/3636/5 "2020-11-19T19:37:06Z")

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The Cast image filter does not support 4D images. It looks like the error message could use improvement.

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