[R] Code completion
jaitchis at lisp.com.au
Sat Feb 17 09:50:24 CET 2001
perhaps this should be directed to r-devel or somesuch, but I thought
that others might wish to comment on the concept.
As a fairly new (and very enthusiastic and very appreciative) user of R I
find myself frequently going to the help files, quite often just for some
simple help on syntax or function arguments that I vaguely remember ..
hist(), for instance, has a number of options some of which are to do with
left and right boundaries of the cells that I sometimes need but not
Some form of "code completion" might be of assistance to users like me ..
not exactly casual users or complete novices, but those who tend to use R
in bursts perhaps separated by weeks or longer. Code completion is
implemented in Delphi and perhaps in other languages that have a GUI IDE
(integrated development environment).. essentially it comes down to the
IDE prompting you with a function prototype after some delay or on
pressing some special key (eg ctrl+?)
Could something similar be done in R and is it desirable? .. there perhaps
might be some simple approximation to code completion achievable by some
modest changes to the syntax .. eg hist(?) might paste a full function
hist(x, breaks, freq = NULL, probability = !freq,
include.lowest = TRUE,
right = TRUE, col = NULL, border = par("fg"),
main = paste("Histogram of" , xname),
xlim = range(breaks), ylim = NULL,
xlab = xname, ylab,
axes = TRUE, plot = TRUE, labels = FALSE,
nclass = NULL, ...)
into the console window (or perhaps some special edit window)
well, something to ponder, fwiw.
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