MatteoS questions

• How to read column names and metadata from feather files in R arrow?
• Iteratively and efficiently adding elements to a list attribute of vertices in R igraph
• How do I ensure R / Rcpp code is reproducible ("distributable")?
• Adjusting position of text labels in coord_polar() histogram
• Order of legend entries in ggplot2 barplots with coord_flip()
• How to define parameter values graphically, under constraints?

MatteoS answers