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Why does one hot encoding improve machine learning performance?

I have noticed that when One Hot encoding is used on a particular data set (a matrix) and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance...
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How to run only one task in ansible playbook?

Is there a way to only run one task in ansible playbook? 6 Answers 6 ...
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“unadd” a file to svn before commit

I was in the middle of doing a recursive svn add/commit, and a folder which did not have the proper ignore properties was included. I've got about 100 uploaded binary files versioned now, but I haven't committed yet. ...
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How can you find the unused NuGet packages in a solution?

How can you find the unused NuGet packages in a solution? 5 Answers 5 ...
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How to port data-only volumes from one host to another?

As described in the Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not. ...
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How to check SQL Server version

What are the possible ways to determine the deployed SQL Server version? 6 Answers 6 ...
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl

I have been unable to overcome this error in Application Loader. I've quit, restarted, tried different computers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it? ...
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Can't escape the backslash with regex?

I'm using the following regex 5 Answers 5 ...
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How to use range-based for() loop with std::map?

The common example for C++11 range-based for() loops is always something simple like this: 5 Answers ...
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Styling text input caret

I want to style the caret of a focused <input type='text'/> . Specifically, the color and thickness. 5 Answers ...