L3V1-Linear summary
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L3V1-Linear summary Linear classification problem • Gradient descent • Heuristics for gradient descent • Classifier performance measures Linear classification problem • Gradient descent... • Heuristics for gradient descent • Classifier performanc1 2? Heuristics for initial guesses • ?? = 0 for all ? = 0, . . . , ?; • small random values: ?? ∈ − 1 , ; 2? • ? = ?,?? ; ??,?? • learn it with a small random subsample; • multiply runs with different initial guesses.1 2? Heuristics for initial guesses • ?? = 0 for all ? = 0, . . . , ?; • small random values: ?? ∈ − 1 , ; 2? • ? = ?,?? ; ??,?? • learn it with a small random subsample; • multiply runs with different initial guesses. [Show More]
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