my publications

The Scientific Theory of Queues The scientific theory of queueing probability, commonly known as queue theory, gained popularity during World War II. It emerged from […]

Statistics and Correlation Statistics, contrary to what one might think, is a relatively young science. Just over 110 years ago, the world’s first statistics department […]

 Hadoop and Spark: Key Tools in Big Data Analysis Hadoop and Spark are two essential tools in the world of big data analysis. Each has […]

The Mann-Whitney U Test The Mann-Whitney U Test, also known as the Mann-Whitney-Wilcoxon test or the Mann-Whitney rank test, was invented in 1947 by two […]

What is the problem of configuring the environment? A development environment is a set of tools, libraries, dependencies, and operating systems in which an application […]

Fixed prices for goods and services were introduced during the industrial revolution in the late 19th century. Before that, each shopkeeper negotiated prices with buyers, […]

In professional practice, we are often forced to compare different values or results, which are frequently presented in different scales. How should we interpret them? […]

  s E-commerce has become an inseparable part of the modern economy. The Internet gives businesses access to global markets and diverse international communities. It […]

A significant part of trade turnover now takes place on the Internet. This is a specific environment, unlike ordinary stores. Even someone without the necessary […]

To begin contemplating the future influence of artificial intelligence, we should go back hundreds of years. Humanity has always used tools and simple machines. At […]

The advantage of using pesticides and synthetic fertilizers is a significant reduction in agricultural production costs and labor intensity. On the other hand, restricting their […]

SALE OF PESTICIDES AND HERBICIDES: WHO REALLY BENEFITS? The sale of pesticides and herbicides brings huge profits. These chemical substances are produced based on proprietary […]

External EU subsidies for agriculture are a form of financial support primarily aimed at improving the economic and social situation of farmers. These subsidies include […]

s Data Science in the Bakery Running a bakery involves more than just production. It also includes managing stores, handling logistics tasks like deliveries and […]

Significant Financial Changes for Technological Development In recent months, Poland has seen major changes in financing new initiatives linked to the technological development of enterprises. […]