R help - Feb 2000 - sub in boxplot doesn't do subtiles

R list-

Under Windows 2000 and r 99:

I wanted a subtitle in boxplot and tried:
> boxplot((AU[ROCK==2 &
AU>-1]+0.1~iz),log="y",main="Boxplot of AU by 25 M
elevations",sub="aa")
And I got:

Error in sort(x) : only vectors can be sorted
In addition: Warning messages: 
1: is.na() applied to non-(list or vector) in: is.na(x) 
2: is.na() applied to non-(list or vector) in: is.na(x) 
3: is.na() applied to non-(list or vector) in: is.na(x) 
4: is.na() applied to non-(list or vector) in: is.na(x) 
> boxplot((AU[ROCK==2 &
AU>-1]+0.1~iz),log="y",main="Boxplot of AU by 25 M
elevations")
> title(sub="aa")
Gives a subtitle. 

Could someone point me to the documentation of sub in Boxplot (I did actually
try help(boxplot))

Thanx

bob sandefur

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"Robert L. Sandefur" <RLS at pincock.com> writes:
> I wanted a subtitle in boxplot and tried:
> 
> > boxplot((AU[ROCK==2 &
AU>-1]+0.1~iz),log="y",main="Boxplot of AU by 25 M
elevations",sub="aa")
Exercise in matching rules: sub= matches *subset* in the definition of
boxplot.formula 

One way out is to use the format

boxplot(x~y,subset=,sub="qwerty") 

another is to change the definition of boxplot.formula() so that the
'...' goes immediately after the formula argument, which will force
all argument matches to be exact and non-positional.

There's a deep code freeze on 1.0.0, so it cannot be fixed now, but
it might go into 1.0.1.

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