As Einstein Analytics is deeply integrated with the Salesforce platform, we can deploy Einstein Analytics asset as a Change Set from the Salesforce platform.
Here are a few finding related to Einstein Analytics asset deployment with Change Set:
1. Change Set able to deploy Dataflow to target org, event in the target org is not enable for sync. You need to enable sync for the ability to create dataflow manually in Data Manager.
2. For dashboard and lens deployment, if the app does not exist yet in the target org., you need to deploy the app as a component within the same Change Set, otherwise, the deployment will fail.
3. Change Set will deploy Dataset, but it will not move the data, you need to re-run dataflow or re-export the data, otherwise, the Dataset will not visible in Analytics Studio. However, dashboard and lens will visible in Analytics Studio, but you can't open them until the dataset is visible in Analytics Studio.
4. Change Set able to deploy Lens and Dashboard without Dataset.
Reference: Migrate Analytics Assets with Change Sets