Found 547 Articles for Algorithms

Optimization of Grey Wolf or GWO is a nature-inspired algorithm developed by Mirjalili et al. in 2014. Its hunting techniques and social structure are based on those of grey wolves. The algorithm is based on the concept of delta, gamma, beta and alpha wolves, representing the best solution candidates at each iteration. Basic Concepts of GWO The following vital ideas are used in the GWO algorithm − Grey Wolves − In the method, the grey wolves stand for possible answers to the optimization problem. Pack Hierarchy − The social order of the wolves, which includes the alpha, beta, gamma, ... Read More

Node2Vec is a machine learning method that tries to learn how to describe nodes in a network or graph in a continuous way. It is especially good at recording structure information about the network, which makes it possible to do things like classify nodes, predict links, and see how the network is put together. In this piece, we'll look at the basics of the Node2Vec method, as well as how it works and what it can be used for. Graph Representation Learning Graphs are used to describe complex relationships and interactions in many fields, such as social networks, biological networks, ... Read More

What is LDA? LDA was developed in 2003 by David Blei, Andrew Ng, and Michael I. Jordan as a generative probabilistic model. It presumes that a variety of subjects will be covered in each paper and that each will require a certain number of words. Using LDA, you may see how widely dispersed your document's subjects and words within those categories are. You can see how heavily each topic is represented in the content of a paper by looking at its topic distribution. A topic's word distribution reveals the frequency with which certain words appear in related texts. LDA assumes ... Read More

Introduction The success of machine learning algorithms depends on the quality of the data they use to extract knowledge. Machine learning algorithms may produce inaccurate or unintelligible results if data is inadequate or contains irrelevant information. By removing irrelevant and redundant information before learning, feature subset selection algorithms aim to reduce the amount of time it takes to learn. It reduces data dimensionality, improves algorithm efficiency, and enhances performance and interpretability. Feature subsets are evaluated using a correlation-based heuristic in a new feature selection algorithm. Three common machine learning algorithms are used to evaluate the algorithm's effectiveness, and experiments ... Read More

Omniglot is a dataset that contains handwritten characters from various writing systems worldwide. It was introduced by Lake et al. in 2015 and has become a popular benchmark dataset for evaluating few-shot learning models. This article will discuss the Omniglot classification task and its importance in machine learning. Overview of the Omniglot Dataset The Omniglot dataset contains 1, 623 different characters from 50 writing systems. Each character was written by 20 different people, resulting in 32, 460 images. The dataset is divided into two parts. The first dataset contains a background set of 30 alphabets. In contrast, the second dataset ... Read More

Factorized Dense Synthesizers (FDS) could be a way for machines to learn, especially when understanding natural language processing (NLP). These models make writing that makes sense and is easy to understand by using the power of factorization methods and rich synthesis. At its core, factorization is breaking a matrix or tensor into smaller, easier-to-understand pieces. People often use methods like Singular Value Decomposition (SVD) and Non-negative Matrix Factorization (NMF) to find hidden factors in data. In NLP, factorization is used to find unseen patterns and structures in the text. On the other hand, writing with thick sounds is an excellent ... Read More

Introduction to Consensus Clustering Clustering is one of the most important parts of machine learning. Its goal is to group data points that are alike. Traditional clustering methods like K-means, hierarchical clustering, and DBSCAN have often been used to find patterns in datasets. But these methods are often sensitive to how they are set up, the choices of parameters, and noise, which can lead to results that aren't stable or dependable. By using ensemble analysis, consensus clustering allows us to deal with these problems. It uses the results of more than one clustering to get a strong and stable clustering ... Read More

The Pearson product-moment correlation is a statistical method for determining the amount and direction of a linear link between two continuous variables. It is used extensively in machine learning to determine how traits relate to the goal variable. In machine learning methods, the Pearson correlation is often used to decide which features to use. There are problems with the Pearson correlation. It can only measure linear relationships. It assumes that the data have a normal distribution and that the relationships between the variables are linear. Applications of Pearson Correlation in Machine Learning In machine learning, one of the most common ways Pearson ... Read More

Machine learning systems often must deal with large amounts of data that must be processed quickly. Eigenvector computing and low-rank approximations are important ways to look at and work with data with many dimensions. In this article, we'll look at eigenvector processing and low-rank approximations, how they work, and how they can be used in machine learning. Eigenvector Computation Introduction to Eigenvectors and Eigenvalues Eigenvectors are unique vectors that give rise to scalar multiples of themselves when multiplied by a given matrix. Eigenvalues are the scale factors for the eigenvectors they are linked to. To understand how linear changes work, ... Read More

The No Free Lunch Theorem is a mathematical idea used in optimization, machine learning, and decision theory. It means that no one method can solve all optimization problems similarly. Practitioners must choose the right approach for each circumstance to get the greatest outcomes. This finding has significant consequences for overfitting and generalization in machine learning and the complexity of computing, optimization, and decision-making. Explanation of the No-free Lunch Theorem The NFL Theorem tells you about the theory and how hard the math is. It says that for each optimization problem, if a program solves one group of problems quickly, it ... Read More