R Online Assessment

Online assessment to evaluate basic R programming and data analysis skills

This assessment helps hiring managers and organizations evaluate a candidate’s foundational knowledge of R, a leading language for statistical computing and data analysis. It focuses on beginner-level concepts such as data types, dataframes, data import, cleaning, visualization, and basic statistical operations. The test also covers essential R functions for summarizing, merging, and visualizing datasets, ensuring candidates can effectively handle data and perform analytical tasks. Ideal for entry-level data analysts, statisticians, and R programming interns, this test helps identify individuals with a strong grasp of R fundamentals. It provides instant, automated scoring and detailed reports to support efficient, data-driven hiring decisions.

Sample Question

You are working with a dataset in R containing customer ages stored as characters ("25", "30", …). Before calculating statistics, you need to convert them to numeric values. Which R function should you use?