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#ask-questions
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# ask-questions
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sparse-thailand-8230

10/25/2021, 2:10 PM
Hello, I have questions on my mind as testing with GrowthBook. 1. Can we replicate metrics automatically or do we need to create a new metric everytime we want to work with another table/dataset ? 2. In the Significance test , Bayesian analysis is used to display the results. So can i get a more detailed view on which process is going on in back? 3. Is it feasible to use One table/dataset in datasource query setting and another table/dataset in metric query settings?
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future-teacher-7046

10/25/2021, 2:11 PM
We just launched a feature a few days ago to easily clone metrics.
When hovering over a metric in the table
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sparse-thailand-8230

10/25/2021, 2:15 PM
@future-teacher-7046 Edited the question set. Please help me out with these also🙏🏻
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future-teacher-7046

10/25/2021, 2:16 PM
We have a stats whitepaper. Is that what you're looking for? https://www.growthbook.io/docs/GrowthBookStatsEngine.pdf
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For #3, if everything is within BigQuery, that should be fine since they support joins across datasets. If you want to do something like use BigQuery for experiment assignment and Snowflake for a metric, that's not possible right now.
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sparse-thailand-8230

10/26/2021, 1:10 PM
@future-teacher-7046 To extend on that. Is it possible to fetch data from one table in datasource and for metric from different table (but having the same user_id column)??
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future-teacher-7046

10/26/2021, 1:51 PM
Yes. We join between the data source experiment table and the metric table using user_id.
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