Often, people ask how they can get ML to ignore that a certain time period has occurred. Perhaps it was an expected maintenance window, or perhaps something was broken within the data ingest pipeline and data was lost for a few moments. There are a few ways that you can get ML to ignore time periods and, for distinction, we'll separate them into two groups:
- A known, upcoming window of time
- An unexpected window of time that is discovered after the fact
To illustrate things, we'll use a reference job and dataset that has an anomaly on the date of February 9th:
![](https://static.packt-cdn.com/products/9781788477543/graphics/assets/ba62c609-d62b-44c3-bd62-17fb5e08faf1.png)