Assess your understanding of essential data cleaning and transformation techniques using dplyr, including filtering, selecting, mutating, summarizing, and handling missing values. Strengthen your data manipulation skills with practical questions designed for easy comprehension.
Challenge your understanding of advanced R concepts and real-world data science scenarios with this quiz focused on practical analysis, modeling, and best practices. Prepare for interview success by mastering key R functions, data manipulation strategies, and statistical approaches relevant to modern data science roles.
Explore essential concepts in integrating R with big data systems, focusing on using Spark and connecting to relational databases. This quiz helps reinforce foundational knowledge for handling large datasets and scalable analytics using R’s big data capabilities.
Explore key concepts of machine learning in R using caret and mlr with this quiz, designed to assess your understanding of workflows, model training, and evaluation metrics. Ideal for beginners seeking to reinforce their foundation in R-based machine learning libraries.
Explore essential concepts for manipulating and analyzing time series data in R with this beginner-friendly quiz. Assess your understanding of time series objects, basic functions, plotting, and transformations, ideal for those wanting to build a foundation in time series analysis using R.