## Concept of Correlation in Statistics

Correlation is degree of relatedness of two or more variables. Correlation shows the linear relationship between two or more variables.

Data are the facts that are collected by direct observation, experiments, and surveys.

Introduction Distance is the separation of two or more points in space. Machine learning models use different types of distances such as Euclidean distance, Manhattan distance, Minkowski, cosine distance, etc. Machine learning algorithms like k-nearest neighbor, k-means clustering uses Euclidean, Manhattan, Minkowski methods for distance calculation. Cosine distance is used in recommendation algorithms. In this … Read more