Gradient Boost Part 3 (of 4): Classification
This is Part 3 in our series on Gradient Boost. At long last, we are showing how it can be used for classification. This video gives focuses on the main ideas behind this technique. The next video in this series will focus more on the math and how it works with the underlying algorithm.
This StatQuest assumes that you have already watched Part 1:
https://youtu.be/3CC4N4z3GJc
...and it also assumed that you understand Logistic Regression pretty well. Here are the links for...
A general overview of Logistic Regression: https://youtu.be/yIYKR4sgzI8
how to interpret the coefficients: https://youtu.be/vN5cNN2-HWE
and how to estimate the coefficients: https://youtu.be/BfKanl1aSG0
Lastly, if you want to learn more about using different probability thresholds for classification, check out the StatQuest on ROC and AUC: https://youtu.be/xugjARegisk
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
This StatQuest is based on the following sources:
A 1999 manuscript by Jerome Friedman that introduced Stochastic Gradient Boost: https://statweb.stanford.edu/~jhf/ftp/stobst.pdf
The Wikipedia article on Gradient Boosting: https://en.wikipedia.org/wiki/Gradient_boosting
The scikit-learn implementation of Gradient Boosting: https://scikit-learn.org/stable/modules/ensemble.html#gradient-boosting
If you'd like to support StatQuest, please consider...
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Patreon: https://www.patreon.com/statquest
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Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter:
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#statquest #gradientboost
Видео Gradient Boost Part 3 (of 4): Classification канала StatQuest with Josh Starmer
This StatQuest assumes that you have already watched Part 1:
https://youtu.be/3CC4N4z3GJc
...and it also assumed that you understand Logistic Regression pretty well. Here are the links for...
A general overview of Logistic Regression: https://youtu.be/yIYKR4sgzI8
how to interpret the coefficients: https://youtu.be/vN5cNN2-HWE
and how to estimate the coefficients: https://youtu.be/BfKanl1aSG0
Lastly, if you want to learn more about using different probability thresholds for classification, check out the StatQuest on ROC and AUC: https://youtu.be/xugjARegisk
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
This StatQuest is based on the following sources:
A 1999 manuscript by Jerome Friedman that introduced Stochastic Gradient Boost: https://statweb.stanford.edu/~jhf/ftp/stobst.pdf
The Wikipedia article on Gradient Boosting: https://en.wikipedia.org/wiki/Gradient_boosting
The scikit-learn implementation of Gradient Boosting: https://scikit-learn.org/stable/modules/ensemble.html#gradient-boosting
If you'd like to support StatQuest, please consider...
Buying The StatQuest Illustrated Guide to Machine Learning!!!
PDF - https://statquest.gumroad.com/l/wvtmc
Paperback - https://www.amazon.com/dp/B09ZCKR4H6
Kindle eBook - https://www.amazon.com/dp/B09ZG79HXC
Patreon: https://www.patreon.com/statquest
...or...
YouTube Membership: https://www.youtube.com/channel/UCtYLUTtgS3k1Fg4y5tAhLbw/join
...a cool StatQuest t-shirt or sweatshirt:
https://shop.spreadshirt.com/statquest-with-josh-starmer/
...buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/
...or just donating to StatQuest!
https://www.paypal.me/statquest
Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter:
https://twitter.com/joshuastarmer
#statquest #gradientboost
Видео Gradient Boost Part 3 (of 4): Classification канала StatQuest with Josh Starmer
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8 апреля 2019 г. 19:00:04
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