7.6 Images

Issue: Image resolution too low.

Fix: Add fig.retina=3 to chunk options for html output. Use dpi=300 for pdf output.

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Issue: No figure numbering.

Explanation: xaringan uses remark.js to render slides, which does not support figure numbering. This is because referencing of figures across multiple slides is less common and potentially less effective for audience engagement. 😂

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