Michael Dewar questions

Michael Dewar answers

• Traveling between nesting levels in a tibble: how to refer to data stored in upper levels of nesting hierarchy
• Don't skip empty leading rows when using readxl
• Extract numbers that appear last in the string
• Make reactable resizeable with minimal witdth of column header
• Optimizing a complex, custom data problem - find the optimal polygon that contains a give fraction of data, with constraints
• how to add layers in ggplot using a for-loop
• Length of lubridate interval