Note

a technique for adding class imbalance by creating synthetic examples

an unsupervised clustering algorithm

a key-value pair data structure with constant time data access

The average absolute difference between predictions and labels, less sensitive to outliers than RMSE.

A regression metric that penalises large errors.

a subspace where the dimension is one less than the ambient space

a technique for reducing the dimensionality of data

An elegant algorithm for finding the shortest path between nodes in a graph.

A system call that duplicates the current process, creating a parent and child that continue from the same point.

A child process whose parent has exited.