drawExpression: drawExpression
In sylvainloiseau/drawExpression: Visualising R syntax through graphics

Description Usage Arguments Value Author(s) Examples

Visualising R syntax through graphics

Draw a graphical representation of the evaluation of an R expression.

1 2	drawExpression(expr, draw.index = FALSE, draw.names = FALSE, filename = NULL)

`expr`	A character vector containing an R expression to be drawn; cannot contain affectation.
`draw.index`	Should index (for R objects such as vector, matrix or list) be drawn on the margin of graphics?
`draw.names`	Should names (if any) be drawn on the margin of objects?
`filename`	The name of a PDF file where the plot will be saved

nothing

Sylvain Loiseau <sylvain.loiseau@univ-paris13.fr>

  drawExpression("1:4");
  drawExpression("matrix(1:4, 2)");
  drawExpression("list(1:4, matrix(1:4, 2), 2, 3, 4)");
  drawExpression("c(1, 2, 3:5) > 2");
  
  x <- 1:4
  drawExpression("x");
  drawExpression("sum(x)");