- R-squared or Coefficient of Determination
- Proportion of the variance in the dependent variable that is predictable from the independent variable(s).
- Wiki: Coefficient of determination

- Log loss
- Making sense of log-loss function
- Quora: log loss function

- What is a
`Neural Network`

? Deep Learning Chapter 1 (from`3Blue1Brown`

) - Gradient descent, how neural networks learn. Deep Learning Chapter 2 (from
`3Blue1Brown`

)

Machine Learning - Part 6

- RoC (Receiver operating characteristic) Curve
- Wiki: Receiver operating characteristic
- If you have imbalanced data, the AUC value could be high even if the model is not so good enough.