R TutorialLesson 15Free preview

R For Loop

This lesson is part of R · All levels

Summary

This lesson discusses the repetition of 'for' in R that is used to iterate the entire element within a vector, array, or list. The repetition for in R has a declarative syntax 'for (item in collection) ' that is intuitive and easy for beginners to understand in data analysis.

Key points

Common syntax: 'for (variable in urutan) { ... }'
Can iterate a series of numbers (e.g.: 1:10) or a text vector
Supporting the keywords 'break' and 'next'
It can be nested looped to trace multi-dimensional data like a matrix.

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