[R] An small suggestion for the R team

[Gabor Grothendieck]

On 8/4/05, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> On 8/4/05, Jose Claudio Faria <joseclaudio.faria at terra.com.br> wrote:
> > Hi all,
> >
> > I would like to suggest that all R functions/etc like:
> >   codes-deprecated
> >   grid-internal
> >   ns-alt
> >   ns-dblcolon
> >   ns-hooks
> >   ns-internals
> >   ns-lowlev
> >   ns-reflect.Rd
> >   tools-internal
> >   ts-defunct
> >   utils-deprecated
> >   utils-internal
> >   ... and another
> >
> > i.e, function/word separate for '-'
> >
> > were all substituted by
> >   codes_deprecated
> >   grid_internal
> >   ns_alt
> >   ns_dblcolon
> >   ns_hooks
> >   ns_internals
> >   ns_lowlev
> >   ns_reflect.Rd
> >   tools_internal
> >   ts_defunct
> >   utils_deprecated
> >   utils_internal
> >   ... and another
> >
> > i.e, by '_'
> >
> > Because it is impossible to make a good highlighter with the first one.
> >
> > How to differentiating myValue:
> >
> > varOne = 100
> > varTwo = 50
> > myValue = varOne-varTwo
> >
> > from codes-deprecated, or ns-alt, for example.
> 
> One can create a variable with a minus in it by using
> backquotes:
> 
> > `a-b` <- 3
> > a <- 10
> > b <- 4
> > `a-b` + a-b
> [1] 9  # 3 + 10 - 4
> 

One other point.  The help system, i.e. ?, accommodates minus
signs like this where the last two statements below give
the same result:

library(survival)
?"survival-internal"
internal?survival

Another example is,

library(dyn)
package?dyn