## JavaScript

Definition of JavaScript JavaScript is a programming language that enables developers to create complex websites and applications. JavaScript code is executed in the browser, which makes it a powerful tool for front-end development. Additionally, JavaScript can be used to create back-end functionality with Node.js. An Introduction to JavaScript in the Field of Data Science and…

## JSON

Definition of JSON JSON: JSON, or JavaScript Object Notation, is a lightweight data-interchange format. It is easy for humans to read and write, and for machines to parse and generate. JSON is based on a subset of the JavaScript language, which uses curly braces { } to enclose objects, and arrays are denoted by square…

## Jordan Canonical Form

Definition of Jordan Canonical Form Jordan Canonical Form: A Jordan Canonical Form is a matrix representation of a square matrix that has the property that all of the eigenvalues are real and distinct. Jordan Canonical Form is a mathematical process used to find a rational solution to a polynomial equation. A Brief Overview of Jordan…

## Joint Probability

Definition of Joint Probability Joint Probability: Joint probability is a measure of the likelihood that two or more events will occur simultaneously. It is calculated by multiplying the individual probabilities of each event. For example, if there is a 50% chance of rain on any given day and a 40% chance of a thunderstorm, the…

## Joint Distribution

Definition of Joint Distribution Joint Distribution: A joint distribution is a way of representing the probability of two or more events occurring simultaneously. What is Joint Distribution used for? Joint Distribution is a statistical tool used to analyze the relationship between two or more random variables. It measures how one variable affects another in a…

## Join

Definition of Join Join: A join is an operation that merges two data tables based on a common attribute. The result of the join is a new table that contains all the data from both input tables, with the duplicates removed. What is Join used for? Join is a technique used in data science and…

## Jitter

Definition of Jitter Jitter: Jitter is a measure of the variability of the time between samples in a data set. It’s a technique used to add random variation to data points in a time series in order to remove bias. What is Jitter used for? Jitter is a technique used in data science and machine…

## Jacobian

Definition of Jacobian Jacobian: The Jacobian is a matrix that calculates the derivatives of a given function at a certain point in space. What is Jacobian used for? Jacobian is a matrix of partial derivatives used in calculus and vector calculus to help determine the local maxima or minima of a function. It is a…

## Jacobi Matrix

Definition of Jacobi Matrix Jacobi Matrix: A Jacobi matrix is a square matrix used in the numerical solution of systems of linear equations. What is Jacobi Matrix used for? Jacobi Matrix is a type of matrix used in mathematics and data science to calculate partial derivatives. It is a square matrix formed by the partial…

## Jaccard Index

Definition of Jaccard Index Jaccard Index: The Jaccard Index is a statistic used to measure the similarity of two sets. It is calculated by dividing the number of elements in both sets that are common to both sets by the total number of elements in both sets. What is Jaccard Index used for? The Jaccard…