GGamba questions

GGamba answers

• Error in mutate_impl(.data, dots) : Evaluation error: Only year, quarter, month, week, and day periods are allowed for an index of class Date
• Create indicator variable by groups in R similar to Stata's "by"
• Individual axis limits with scale(expand) and scale=free in facetted ggplots
• Use SweetAlert2 in R Shiny
• Combine legends on a map when data is specified in a geom
• R Markdown Footnote in xtable
• How to add multiple layers from one dataframe in ggplot?
• A ggplot2 equivalent of the lines() function in basic plot
• Plotting a distribution densities for two classes in R
• Extract reachable rows based on id