R Data Aggregation: Summarize and Group Data — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

R Data Aggregation: Summarize and Group Data

Learn to efficiently summarize, group, and analyze datasets in R to extract meaningful insights.

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About this course

Are you struggling to make sense of large, unorganized datasets? Data aggregation is a fundamental skill in R that transforms raw data into understandable summaries, making complex information accessible for analysis and decision-making. This course will guide you through the essential techniques to effectively group and summarize your data. By the end of this course, you will be able to confidently apply various R functions to aggregate data, preparing you to tackle real-world data analysis challenges with a solid foundation. What you'll learn: * Understand the core principles and importance of data aggregation in R * Apply `dplyr` verbs, including `group_by` and `summarize`, for powerful data transformation * Utilize base R's `aggregate` function for diverse data summarization tasks * Structure and tidy datasets effectively as a prerequisite for robust aggregation * Perform multi-level aggregation and conditional summaries for complex analysis * Interpret and present aggregated data to reveal patterns and support decision-making This course starts with foundational concepts, progresses through key R functions for aggregation, and concludes with practical applications for interpreting your results. You will learn by reading explanations and practicing with code snippets. This course is for beginners with no prior experience in data aggregation in R. No prerequisites are required, just a willingness to learn. Enroll now to unlock the power of data aggregation in R and enhance your data analysis skills.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • Short & focused
    2h 42m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
R Data Aggregation: Summarize and Group Data
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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R Data Aggregation: Summarize and Group Data
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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