[R] Plotting only masked part of data

[Barry Rowlingson]

> is quite close - however I want to plot with lines, i.e. type="l", and
> then I get solid lines connecting the endpoint of one "active" region
> to the start of the next active region, I would prefer to get rid of
> those.

> Is there a simple general solution to my problem?

  Plot will draw disconnected lines if there are NA values in the vector 
of X or Y values, so if you do:

  > x <- seq(0,4*pi,by=0.1)
  > y <- sin(x)
  > x[abs(y)>=0.5]=NA
  > y[abs(y)>=0.5]=NA
  > plot(x,y,type='l')

You may get what you want.

Baz