2021-08-25
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Python
2021-08-11
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2021-08-04
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2021-07-28
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2021-07-21
533 reads
2021-07-07
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2021-06-09
468 reads
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.
2021-05-31
9,559 reads
2021-05-26
415 reads
Dimensionality Reduction Techniques - PCA, Kernel-PCA and LDA Using Python
Summary In this article, we will be looking at some of the useful techniques on how to reduce dimensionality in our datasets. When we talk about dimensionality, we are referring to the number of columns in our dataset assuming that we are working on a tidy and a clean dataset. When we have many columns […]
2021-05-24
3,946 reads
Blogs
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Forums
Dynamic T-SQL Script Parameterization Using Python
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Merge Replication - Lost Change
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Server Role for User Database Access
I am looking to simplify a development server access issue. Databases are constantly being...
Question of the Day
A Strange Choice
What is returned when I run this code in SQL Server 2022?
CREATE TABLE CatIndex
( indexval VARCHAR(20)
)
GO
INSERT dbo.CatIndex (indexval) VALUES ('1'), ('2'), ('3')
GO
SELECT CHOOSE(indexval, cast('2025-01-01' AS DATE), CAST('2025-02-01' AS DATE), CAST('2025-03-01' AS DATE))
FROM dbo.CatIndex AS ci See possible answers