AI
epoch
one pass over all data
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How It LearnsAIMore terms from this board
- automatic differentiationthe framework doing it for you
- backpropagationthe chain rule computing every weight's gradient in one backward pass
- batch / mini-batcha subset processed per step
- convergencethe loss stops dropping
- generalizationworking on unseen data (the goal)
- gradientslope of the loss w.r.t. the weights
- gradient descentstep downhill to reduce loss
- learning ratestep size
- loss / cost functionhow wrong the prediction is (cross-entropy, MSE)
- optimizer (SGD/Adam)the downhill-stepping algorithm
- overfittingmemorizing train data, failing on new
- parameters/weightswhat's being tuned
- regularizationdropout / weight decay to prevent overfitting
- stepone weight update
- validation set / early stoppingmonitor & stop in time