(Estimation of pseudo-inverse of non-square matrices (Ax=b)) — Preface In linear algebra, the Moore–Penrose inverse is the most widely known generalization of the inverse matrix. The Moore–Penrose inverse is sometimes also known by the name of pseudo-inverse or generalized inverse. E. H. …

(A Gentle Introduction to the Data Reduction Tool) — Table of Contents Introduction Types of SVD Applications 1. Introduction The SVD is a matrix factorization technique used for a variety of purposes. Generally, it decomposes higher dimensional data into lower-dimensional data. It provides a stable matrix decomposition and is always guaranteed to exist. In real-time, the data can be available either in a tall…

A Preprocessing Scheme for High-Cardinality Categorical Features — Preface Many data science practitioners solving real-life problems in the industry face issues while choosing the best transformations when performing feature engineering and encoding. It happens because it depends on the context of the current situation and the type of features involved in solving the problem. Features can be nominal type…

Preface Have you ever got confused or failed to grasp understanding the confusion matrix while evaluating the performances of algorithms when it comes to classification problems? Do not worry. I will walk you through the entire mathematics with and without code accompanying one application to help you understand it better. I…

Preface Most organizations around the globe are employing data science to make strategic decisions and planning to enhance their business pursuits. However, when teams dive in for data analysis, their actions get hindered because they get entangled with rote work. …

Preface A data science life cycle is a collection of specific phases executed by teams serially or parallelly in an iterative behavior. A project can sometimes rely on the forecasting part alone or the analysis part alone, or sometimes by including both. The project workflow can differ based on the selected…

Preface In the age of information, most corporations are harnessing the capability of AI to attain a competitive edge, and they are doing anything to blend AI into their extant work. …

Preface Project leadership is much more than merely following deadlines and fixing a budget. The project manager ensures that objectives and goals stay in sync while directing the current and overall processes. Failing to be in sync can quickly derail the business pursuits, which may prevent business growth. A good project…

Preface With technological advancements, globalization, and some other factors, our work is expanding in our day-to-day life. Therefore, we require a system where we can execute our work in the form of projects. And to direct projects in a systematic form, we need the best possible teams and a workflow plan…