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Model Selection and Performance Boosting with k-Fold Cross Validation and XGBoost
This article examines how to split a data set for training and testing and evaluating our model using Python.
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Question of the Day
Creating a JSON Document I
I want to create a JSON document that contains data from this table:
TeamID TeamName City YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933If I run this code, what is returned?
SELECT json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
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