docs: update demo notebook

[jim-smith]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (a72895e) to head (ba95f6d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #46   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          115       115           
=========================================
  Hits           115       115           

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[jim-smith]

@rpreen I think the pre-commit error is something to do with one of the github actions. can't debug the problem with renv as I don't have that installed!

[rpreen]

@rpreen I think the pre-commit error is something to do with one of the github actions. can't debug the problem with renv as I don't have that installed!

The error was because you included a shell command in an Rscript in the previous PR.