Puri A. Practical Data Science Environments with Python and R...2026

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Puri A. Practical Data Science Environments with Python and R...2026

Textbook in PDF format Introduction Data science has become a cornerstone of modern decision-making, shaping how organizations innovate, compete, and create value in an increasingly data-driven world. From predicting customer behavior to optimizing healthcare outcomes and powering intelligent systems, data science bridges raw data and actionable insight. The reader will be introduced to data science and analytics as well as a comparison of the different disciplines within data careers. They will deep dive into the skills that are required to grow and evolve as a seasoned professional in the field of data science. In this chapter, we will explore the applications of data in various industries and also understand the broad workflow that is used in the process. Structure This chapter will address the following topics: Introduction to Data Science and Analytics Importance and Applications Data Science Workflow: From Data Collection to Deployment Introduction to Data Science and Analytics Data science is an interdisciplinary field that leverages statistical, computational, and domain-specific knowledge to extract insights and knowledge from both structured and unstructured data. Over the past decade, data science has transformed from a niche area into From Beginner to Practitioner: A Practical Path to Learning Data Science. Book Description Data Science often fails beginners not because of complex algorithms, but because setting up the right tools, environments, and workflows is confusing and poorly explained. Practical Data Science Environments with Python and R fills that gap by focusing on the practical foundations required to work effectively in real data science settings. You begin by developing a clear understanding of the Data Science landscape, including how different programming languages, tools, and platforms are used across analytics and Machine Learning workflows. As you advance, you learn how to import structured and unstructured data, apply systematic cleaning and transformation techniques, and perform exploratory analysis to understand data behavior. You will implement and evaluate foundational models while learning how to organize code, manage versions with Git, and follow workflows used in professional data teams. The final chapters connect these skills to industry use cases, advanced topics, and next steps, preparing you to continue growing beyond the basics. Preface An Overview of Data Science Comparing Programming Languages and Various Environments Setting Up Data Science Environment Importing and Cleaning Data in Python and R Data Wrangling and Manipulation in Python and R Data Visualization in Python and R Introduction to Data Science Algorithms Implementing Machine Learning Models Version Control with Git Data Science and Analytics in Industry Advanced Topics and Next Steps