updates for ggplot2 lesson

[ytakemon]

Addresses issue #230

Removed "." in facet_grid() prior to it being explained

[github-actions]

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🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

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Rendered Changes

🔍 Inspect the changes: https://github.com/datacarpentry/genomics-r-intro/compare/md-outputs..md-outputs-PR-231

The following changes were observed in the rendered markdown documents:

 06-data-visualization.md |   4 ++--
 depth.pdf                | Bin 45066 -> 45066 bytes
 md5sum.txt               |   2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

What does this mean?

If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible.

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⏱️ Updated at 2023-09-13 16:07:04 +0000

[naupaka]

Looks good to me!