Created "to address the skills shortage in emerging technologies, including data science, AI, big data, cloud computing and blockchain," Cognitive Class offers free courses on data science and cognitive computing. Several "learning paths" are available, which group together multiple courses into a cohesive and topical unit. Each unit is labeled with a suggested audience, learning level, and estimated time. A full list of options is available on the Learning Paths page, including Big Data Fundamentals (introducing users to data analysis tools and trends), Spark Fundamentals (a beginner's guide to the Apache Spark framework), and Hadoop Fundamentals (exploring this open source software for processing big data). Readers can also complete individual courses (available on the Courses tab). As a reward for learning efforts, users can earn badges commemorating these new skills. Most courses are in English, but select courses are available in Japanese, Spanish, and Russian. Readers will want to create a free account to track their learning progress.
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