Bishops_Guest questions

Bishops_Guest answers

• Using coord_flip() with facet_wrap(scales = "free_y") in ggplot2 seems to give unexpected facet axis tick marks and tick labels
• ggplot2 make missing value in geom_tile not blank
• ggplot 0.9.3 issue with facet_wrap, free scales and coord_flip [duplicate]
• In geom_text, can "labels=scales::percent" be rounded?
• Is there a way for RPubs to automatically re-run the markdown document every time the page is loaded?