Neural Networks Part 7: Cross Entropy Derivatives and Backpropagation

StatQuest with Josh Starmer
StatQuest with Josh Starmer
123.5 هزار بار بازدید - 3 سال پیش - 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

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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
3 سال پیش در تاریخ 1399/12/10 منتشر شده است.
123,510 بـار بازدید شده
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