more updates

Author: dajmcdon

_common.R

@@ -1,15 +1,17 @@
 # example R options set globally
-options(width = 60)
+options(width = 77, cli.width = 77)
 
 # example chunk options set globally
 knitr::opts_chunk$set(
+  digits = 3,
   comment = "#>",
   collapse = FALSE,
   cache = TRUE,
   warning = FALSE,
   message = FALSE,
   echo = TRUE,
   dev = "svg",
+  dev.args = list(bg = "transparent"),
   dpi = 300,
   cache.lazy = FALSE,
   tidy = "styler",