Neural Networks Part 7: Cross Entropy Derivatives and Backpropagation
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3 سال پیش
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Here is a step-by-step guide
Here is a step-by-step guide that shows you how to take the derivative of the Cross Entropy function for Neural Networks and then shows you how to use that derivative for Backpropagation.
NOTE: This StatQuest assumes that you are already familiar with...
The main ideas behind neural networks: The Essential Main Ideas of Neural Ne...
The main ideas behind backpropagation: Neural Networks Pt. 2: Backpropagatio...
Neural networks with multiple inputs and outputs: Video
ArgMax and SoftMax: Neural Networks Part 5: ArgMax and So...
Cross Entropy: Neural Networks Part 6: Cross Entropy
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
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0:00 Awesome song and introduction
5:47 dCE_setosa with respect to b3
11:19 dCE_virginica with respect to b3
15:03 Other derivatives
16:09 Backpropagation with cross entropy
#StatQuest #NeuralNetworks #CrossEntropy
NOTE: This StatQuest assumes that you are already familiar with...
The main ideas behind neural networks: The Essential Main Ideas of Neural Ne...
The main ideas behind backpropagation: Neural Networks Pt. 2: Backpropagatio...
Neural networks with multiple inputs and outputs: Video
ArgMax and SoftMax: Neural Networks Part 5: ArgMax and So...
Cross Entropy: Neural Networks Part 6: Cross Entropy
For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/
If you'd like to support StatQuest, please consider...
Buying my book, 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: Patreon: statquest
...or...
YouTube Membership: @statquest
...a cool StatQuest t-shirt or sweatshirt:
https://shop.spreadshirt.com/statques...
...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:
Twitter: joshuastarmer
0:00 Awesome song and introduction
5:47 dCE_setosa with respect to b3
11:19 dCE_virginica with respect to b3
15:03 Other derivatives
16:09 Backpropagation with cross entropy
#StatQuest #NeuralNetworks #CrossEntropy
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