[Rd] plot with NAs in x and type="s" (PR#9046)

[maechler at stat.math.ethz.ch]

>>>>> "ReneL" == Rene Locher <lor at zhwin.ch>
>>>>>     on Fri, 30 Jun 2006 15:26:18 +0200 (CEST) writes:

    ReneL> Full_Name: René Locher Version: Version 2.3.1
    ReneL> (2006-06-01) OS: i386, mingw32 Submission from:
    ReneL> (NULL) (160.85.104.70)

    ReneL> The problem seems to occur only, when you want to
    ReneL> plot a vector containing a NA value at position 2 and
    ReneL> the plotting type is "s" or "S".

Yes, thank you, René.

An even simpler example is

   plot(0 / -1:1, type = "s")

This will be fixed in R-patched and R-devel as of tomorrow's
snapshots.

Martin Maechler, ETH Zurich


    ReneL> ## start of code

    ReneL> O3<-c(0.8,NA,0.7,1.1,0.9,5.5,1.3,1,1.2)

    ReneL> ## The following error is reported with the two commands below:
    ReneL> ## Error in plot.xy(xy, type, ...) : unable to allocate memory (in GPolygon)

    ReneL> plot(O3,type="s")
    ReneL> plot(O3,type="S")

    ReneL> ## The following commands work without problems
    ReneL> plot(O3,type="l")
    ReneL> plot(c(0.6, O3),type="s")
    ReneL> plot(c(0.4,0.6, O3),type="s")
    ReneL> plot(O3[2:length(O3)], type="s")

    ReneL> ## end of code

    ReneL> Kind regards

    ReneL> René