Chapter 1Today's Data Analyst

Analytics is at the heart of modern business. Virtually every organization collects large quantities of data about its customers, products, employees, and service offerings. Managers naturally seek to analyze that data and harness the information it contains to improve the efficiency, effectiveness, and profitability of their work.

Data analysts are the professionals who possess the skills and knowledge required to perform this vital work. They understand how the organization can acquire, clean, and transform data to meet the organization's needs. They are able to take that collected information and analyze it using the techniques of statistics and machine learning. They may then create powerful visualizations ...

Get CompTIA Data+ Study Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.