log plots fail with NAs (PR#141)

[Peter Dalgaard BSA]

oncley@ucar.edu writes:

> Shouldn't this work, but only plot 2 points?
> 
> > plot(c(1,NA,10),log="y")
> Error: missing value where logical needed

Yes. Inside xy.coords, we have

if ("y" %in% log && any(ii <- y <= 0))
                              ^^^^^^

make that y <= 0 & !is.na(y)
                 ^^^^^^^^^^^

(and ditto for x)

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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