Data mining: methods, stages, application and significance in the modern world

This article is devoted to data mining and its role in the modern world. The paper examines the main concepts of data mining, its importance in the era of digital transformation and exponential growth of data volumes. The key stages of the data mining process are described, including problem statement, data preparation and study, model building and validation, as well as their deployment and updating. Particular attention is paid to the application of data mining technologies in various fields, such as business and economics, science and research, healthcare, financial sector, public administration and education. The article demonstrates how the use of data mining methods allows organizations to optimize processes, improve decision making and increase competitiveness.