Constructor of plotter expression

The plotter function returns a quoted expression that adds points to a current plot. For use with tracer and terminator objects to iteratively update plots during long running function evaluations.

Usage

plotter(y, col = "black", lty = "solid", pch = 1)

Arguments

y

a name of a symbol to plot

col

point and line color

lty

line type

pch

plot symbol

Value

a quoted expression

Examples

plotter("i")
#> {
#>     .__y_val <- get("i")
#>     points(.__n, .__y_val, col = "black", pch = 1)
#>     if (exists(".__n_old") && exists(".__y_val_old")) {
#>         lines(c(.__n_old, .__n), c(.__y_val_old, .__y_val), col = "black", 
#>             lty = "solid")
#>     }
#>     .__n_old <- .__n
#>     .__y_val_old <- .__y_val
#> }