Data Manipulation is a skill involving the transformation and restructuring of data to prepare it for analysis or further processing. Coursera's Data Manipulation catalogue teaches you how to clean, transform, merge, reshape datasets and generate new variables using various tools and programming languages. You'll learn to manage and manipulate data using SQL, Python, R and other data manipulation languages. Understanding data manipulation will enable you to convert raw data into a more useful format, handle large datasets efficiently and support your data analysis or data science projects. You'll also learn to handle potential issues like missing or inconsistent data, enabling you to deliver robust and reliable data-driven insights.