The command line is a text-based interface used to interact with a computer's operating system or command-line interface (CLI). It allows users to issue commands and perform various tasks by typing in text commands, rather than using a graphical user interface (GUI).

Command Line

Unlike discrete variables, which can only take distinct, separate values, continuous variables can assume an infinite number of values within a specific interval. They can take on any real value within a given range.

Continuous Variable

A categorical variable is a type of variable in statistics that represents categories or groups. They can be further divided into two main types: nominal and ordinal.

Categorical Variable

Clustering in machine learning is a technique used to group similar data points together based on certain characteristics or features. The goal of clustering is to identify natural groupings in the data without any prior knowledge of the group memberships.

Clustering

Computer Vision is a field within data science and computer science that focuses on enabling machines to interpret and make decisions based on visual data.

Computer Vision

A cost function, also known as a loss function or objective function, quantifies the difference between the predicted values of a model and the actual values in the training data.

Cost Function

Cross-validation is a resampling technique used in machine learning to assess the performance and generalizability of a model. It helps ensure that the model's performance metrics are not overly dependent on the specific random partitioning of the data.