Courses from 1000+ universities
Discover an easier way to explore affordable, credit-worthy online courses with our expanded community college catalog.
600 Free Google Certifications
Communication Skills
Software Development
Digital Marketing
How to Write Your First Song
Bioseguridad y equipo de protección para la prevención de COVID-19
Let's Get Started: Building Self-Awareness
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Learn Data Summarization, earn certificates with paid and free online courses from MIT, University of Pennsylvania, Johns Hopkins, UC Berkeley and other top universities around the world. Read reviews to decide if a class is right for you.
Explore non-adaptive adaptive sampling techniques for turnstile streams, covering data summarization, streaming algorithms, and applications in subset selection, subspace approximation, and volume maximization.
Conozca las relaciones de las bases de datos y aprenda SQL, el lenguaje estándar utilizado en el software empresarial que le permitirá consultarlas y extraer de ellas la información que necesite.
Learn Python-based data analysis techniques, including data manipulation with pandas, visualization with matplotlib, and practical skills for loading, querying, and summarizing real-world datasets.
Master advanced data manipulation techniques in R using dplyr's powerful functions for filtering, selecting, mutating, summarizing, and chaining operations to create efficient data analysis workflows.
Master data manipulation techniques in R using dplyr to filter, select, summarize, group, mutate, and reshape datasets effectively for advanced data analysis and transformation.
Learn data analysis techniques for social sciences, including probability, statistics, regression, experiments, and machine learning, with real-world applications and R programming instruction.
Expand Excel skills with advanced techniques for managing large datasets, creating reports, and automating tasks. Learn multiple worksheets, functions, named ranges, tables, and pivot tables.
Excel data mastery is possible! Learn how to use pivot tables in excel and learn how to use pivot tables to get a raise
Discover essential SQL skills necessary to transform you into SQL developer which can earn you 70k+ in the IT Industry
Learn to analyze & summarize data in seconds using Excel's most powerful data feature - Pivot Tables & Pivot Charts!
Clean, Transform and Summarize Microsoft Excel Data Quickly with Excel's Power Query and PivotTable Tools
Master data preparation, cleaning, and analysis in Alteryx Designer, whether you are a new or seasoned analyst.
Learn the power of Google's Gemini Models with Bard and get the latest skills in AI!
Master the basics of querying tables in relational databases such as MySQL, SQL Server, and PostgreSQL.
Learn to create impactful data visualizations, transform data, and gain business insights using Microsoft Power BI's powerful analytical tools and charting capabilities.
Get personalized course recommendations, track subjects and courses with reminders, and more.