April 2022
Beginner to intermediate
534 pages
13h 38m
English
Content preview from The Kaggle Book
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6
Designing Good Validation
In a Kaggle competition, in the heat of modeling and submitting results, it may seem enough to take at face value the results you get back from the leaderboard. In the end, you may think that what counts in a competition is your ranking. This is a common error that is made repeatedly in competitions. In actual fact, you won’t know what the actual leaderboard (the private one) looks like until after the competition has closed, and trusting the public part of it is not advisable because it is quite often misleading.
In this chapter, we will introduce you to the importance of validation in data competitions. You will learn about:
- What overfitting is and how a public leaderboard can be misleading
- The dreadful shake-ups ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.