[R] self documenting workspaces, and the proper role of the dot

[Peter Dalgaard BSA]

Thomas Lumley <tlumley at u.washington.edu> writes:

> YOu could attach a "doc" attribute to everything. This has the
> disadvantage that for objects with no special "print" method the attribute
> would always be printed with the object.
> 
> attr(a,"doc")<-"A is for apple"
> 
> and you could write a function that listed objects and documentation using
> something like
> sapply(ls(),function(x) attr(x,"doc")

Actually, once upon a time in the far East, Ross wrote comment(x) and
comment(x)<- to do just that. We're not very good at keeping them,
though - for instance, they don't survive a fix() of the object.

-- 
   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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