R help - Aug 2009 - [Hmisc] latex() with ctable=T inserting unwanted empty line in .tex file when used on summary.formula(method="reverse") object

Dear useRs,

When I'm using Hmisc's latex() function with ctable=TRUE on a
summary.formula with method="reverse" object and saving in a .tex
file, the latter contains an unwanted empty line which makes compilation fail.

Here is a brief example :

library(Hmisc)

test <-
data.frame(a=sample(1:30,10),b=sample(c("good","bad","ugly"),10,replace=T))

base <-
latex(summary(b~a,data=test,method="reverse"),ctable=T,file="test.tex")
> readLines("test.tex")[1:5]
[1] "% latex.default(cstats, title = title, caption = caption, rowlabel =
rowlabel,      col.just = col.just, numeric.dollar = FALSE, insert.bottom =
legend,      rowname = lab, dcolumn = dcolumn, extracolheads = extracolheads,   
extracolsize = Nsize, ...) "
[2] "%"
[3] "\\ctable[ caption={Descriptive Statistics by b}, label=summary,
pos=!tbp, ]{lccc} {\\tnote[]{\\noindent {\\scriptsize $a$\\ }{$b$\\
}{\\scriptsize $c$\\ } represent the lower quartile $a$, the median $b$, and the
upper quartile $c$\\ for continuous variables.}}
{\\FL\\multicolumn{1}{l}{}&\\multicolumn{1}{c}{bad}&\\multicolumn{1}{c}{good}&\\multicolumn{1}{c}{ugly}\\NN"
[4] ""
[5] "&\\multicolumn{1}{c}{{\\scriptsize
$N=2$}}&\\multicolumn{1}{c}{{\\scriptsize
$N=1$}}&\\multicolumn{1}{c}{{\\scriptsize $N=7$}}\\NN"

etc

line 4 is the empty line that makes compilation fails... when suppressed in the
.tex file, compilation runs without any problem.

Is it a bug or is there an option I did not see in ?latex to fix this issue?

I did not find any clue in R-Seach so...

Thanks for your help!
> version
               _                           
platform       x86_64-pc-linux-gnu         
arch           x86_64                      
os             linux-gnu                   
system         x86_64, linux-gnu           
status                                     
major          2                           
minor          9.1                         
year           2009                        
month          06                          
day            26                          
svn rev        48839                       
language       R                           
version.string R version 2.9.1 (2009-06-26)


 
________________________________
Vincent Chouraki,
Interne de santé publique,
INSERM UMR 744,
Institut Pasteur de Lille, France,
Site web : www.santepub-lille.fr



      
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Vincent Chouraki wrote:
> 
> 
> When I'm using Hmisc's latex() function with ctable=TRUE on a
> summary.formula with method="reverse" object and saving in a .tex
file,
> the latter contains an unwanted empty line which makes compilation fail. 
> 
> 
> ... Example removed
> 
Vincent, 

I checked it and think it is a bug. I have forwarded this to the maintainer,
Thomas Dupong, with a cc to Frank Harrell.

Dieter


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>Vincent Chouraki wrote:
>> 
>> 
>> When I'm using Hmisc's latex() function with ctable=TRUE on a
>>summary.formula with method="reverse" object and saving in a
.tex file,
>> the latter contains an unwanted empty line which makes compilation
fail.
>> 
>> 
>>... Example removed
>> 
>
>Vincent, 
>
>I checked it and think it is a bug. I have forwarded this to the maintainer,
>Thomas Dupong, with a cc to Frank Harrell.
>
>Dieter
Thank you!

I'm using this code in the meantime

write ( readLines ( "test.tex" ) [ readLines ( "test.tex" )
!= "" ] , file = "testbis.tex" , sep = "\n" )

 
________________________________
Vincent Chouraki,
Interne de santé publique,
INSERM UMR 744,
Institut Pasteur de Lille, France,
Site web : www.santepub-lille.fr


      
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