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What is a logistic regression model?
Updated May 17, 2026
Short answer
Logistic regression predicts probabilities for classification tasks.
Deep explanation
It uses sigmoid function to map linear outputs to probabilities between 0 and 1.
Real-world example
Used in spam detection systems.
Common mistakes
- Treating outputs as continuous values.
Follow-up questions
- What is sigmoid function?
- Is it linear or nonlinear?