[R] A slight trap in read.table/read.csv.

[Patrick Connolly]

On Tue, 09-Mar-2010 at 08:14AM +0100, Petr PIKAL wrote:


|> I would respectfully oppose it. It may be quite convenient for making code 
|> for functions and other programming stuff but all using R more or less in 
|> interactive way this change could be quite a burden especially when there 
|> are many functions which use TRUE/FALSE for setting its parameters.
|> 
|> In those (and many others) instances I almost exclusively use T/F 
|> shortcut.
|> 
|> read.delim(file, header = TRUE, sep = "\t", quote="\"", dec=".", fill = 
|> TRUE, comment.char="", ...)
|> lm(formula, data, subset, weights, na.action,method = "qr", model = TRUE, 
|> x = FALSE, y = FALSE, qr = TRUE,     singular.ok = TRUE, contrasts = NULL, 
|> offset, ...)

If you use ESS, you have the benefit of completions.  Depending on
what else could begin with T or F, you can press the TAB key after
typing the first letter or two.  Admittedly, three keystrokes isn't
much shorter than TRUE -- but they are all with the left hand. You
always get at least a 40% discount with FALSE. :-) -- except in the
'unlikely event' that you have objects named FALLOW or something
else a lot like FALSE.






|> 
|> If this had to be changed I would vote for some change which allow users 
|> some other shortcut for setting interactively parameters in functions.
|> 
|> Regards
|> Petr
|>  
|> 
|> 
|> > > 
|> > > The only immediate solution to this accretion of overly clever
|> > > behavior would be for someone to write new functions (say,
|> > > Read.csv) that didn't do all those conversions behind the
|> > > scenes. I'm not about to do that. Are you?
|> > 
|> > 
|> >    NFL!!!
|> > 
|> >       cheers,
|> > 
|> >          Rolf
|> > 
|> > ######################################################################
|> > Attention:\ This e-mail message is privileged and confid...{{dropped:9}}
|> > 
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|> http://www.R-project.org/posting-guide.html
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|> 
|> ______________________________________________
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|> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
|> and provide commented, minimal, self-contained, reproducible code.

-- 
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.   
   ___    Patrick Connolly   
 {~._.~}                   Great minds discuss ideas    
 _( Y )_  	         Average minds discuss events 
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