Bolle questions

• How to find the start and the end of sequences automatically in R for rectangles in ggplot
• remove consecutive values in a data table
• Force the origin to start at 0 without margin between data and x axis in new ggplot theme
• update one column twice in a data.table efficient in R
• creating Rd documentation files for R6 classes not in a package
• R combining duplicate rows in a time series with different column types in a datatable

Bolle answers