# TIL on WED

machine learning

model

polynomial regression

overfitting

underfitting

k-fold cross-validation

deep learning

binary classification

logistic regression

sigmoid function

loss function

cost function

gradient descent

### Overfitting vs Underfitting: A complete Example

- Will Koehrsen, Senior Machine Learning Engineer at Cortex Sustainability Intelligence

Note

machine learning, model

Note

polynomial regression

Note

overfitting, underfitting

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k-fold cross-validation

### Deep Learning Specialization[Course1]

- Coursera - Professor Andrew Ng, Stanford Univ.

Note

deep learning, binary classification,

Note

logistic regression, sigmoid function, loss function, cost function

Note

gradient descent