Subsection 1 Interactive R Cells (Sage)
Throughout the book, you’ll find interactive R code cells powered by SageMath. These allow you to run R code directly in your browser without installing any software. Each cell is self-contained and runs independently.
Important: Each Sage cell starts fresh - variables from one cell are not available in other cells. This is why you’ll see data creation code repeated in cells throughout an investigation.
Advantages:
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No software installation required
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Works on any device with a web browser
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Great for quick explorations and learning concepts
Limitations:
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Cannot load external data files or URLs directly
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Best suited for small to medium datasets (created inline)
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Each cell runs independently (no persistent workspace)
