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How to Split and Sample a Dataset in BigQuery Using SQL
June 28, 2022, 3:52 a.m. | Romain Granger
Towards Data Science - Medium towardsdatascience.com
Easily segment your data into training, validation, and test sets.
Photo by Zac Porter on UnsplashWhy split our dataset?
Splitting data means that we will divide it into subsets. For data science models, datasets are usually partitioned into two or three subsets: training, validation, and test.
Each subset of data has a purpose, from creating a model to ensuring its performance.A quick definition of the different segments:
- Training: It is essentially the subset of data we …
bigquery data science dataset machine learning sql tips-and-tricks
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