View source: R/code_freq_hist.R
| code_freq_hist | R Documentation | 
Create a frequency histogram for codes
code_freq_hist(
  x,
  codes = ".*",
  sortByFreq = "decreasing",
  forceRootStripping = FALSE,
  trimSourceIdentifiers = 20,
  ggplot2Theme = ggplot2::theme(legend.position = "bottom"),
  silent = rock::opts$get("silent")
)
x | 
 A parsed source(s) object.  | 
codes | 
 A regular expression to select codes to include.  | 
sortByFreq | 
 Whether to sort by frequency decreasingly
(  | 
forceRootStripping | 
 Force the stripping of roots, even if they are different.  | 
trimSourceIdentifiers | 
 If not   | 
ggplot2Theme | 
 Can be used to specify theme elements for the plot.  | 
silent | 
 Whether to be chatty or silent.  | 
a ggplot2::ggplot().
### Get path to example source
examplePath <-
  system.file("extdata", package="rock");
### Get a path to one example file
exampleFile <-
  file.path(examplePath, "example-1.rock");
### Load example source
loadedExample <- rock::parse_source(exampleFile);
### Show code frequencies
code_freq_hist(loadedExample);
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