הגדרות כלליות

Question 1

Features

Answer 1

The fields of every sample x, these are like the ‘columns’ in an SQL table

Question 2

Samples

Answer 2

All the ‘objects’ in the data set, all have the same features fields, but with their own values.
These are like the ‘rows’ in an SQL table

Question 3

What is the difference between a parameter and a hyperparameter?

Answer 3

A parameter (like
𝜃) is learned from the training data during model fitting. A hyperparameter (like regularization strength or learning rate) is set before training and affects how the model is learned.