R ExamplesLesson 36Free preview

R Practice Problems

This lesson is part of R · All levels

Summary

This lesson provides a practical practice of solving statistical problems and manipulating dataset in R. The reader is tested to apply a combination of column selection, missing values (NA) handling, table data aggregation, and proper graphical visualization. This targeted training prepares analysts to face the workplace case study.

Key points

Interactive training tests the logic skills of data analysis and processing
Apply data cleaning techniques such as NA detection and column type modification
Practice using the family functions *apply (lapply, sapply, apply) and tapply
Improve reading and interpretation of model statistical output

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