On 2020-07-22 19:42 -0400, Duncan Murdoch wrote: > On 22/07/2020 1:20 p.m., Pedro páramo wrote: > > Hi all, > > > > I am trying all time to use ?? help > > function but most of the time it > > cost me a lot to understand what > > they are saying, explaining, there > > is some manual to step by step how > > to interpret help guides in R. > > > > I hope you can understand me because > > of my english its not the best > > also. > > The manuals that come with R give more > of an overview than the individual > help pages. "An Introduction to R" is > the basic introduction. You should > read that first, then go to the help > pages when you need detailed technical > information about a particular > function. > > To see the manuals, run help.start() > and click on one of the links near the > top of the page. > > If your problems are with help pages > from contributed packages, then you > should look for vignettes in the > package. Not all packages have them, > but it's a sign of a lack of interest > in documentation if they don't: and > I'd recommend avoiding such packages. > > To see the vignettes for > "somepackage", run > > browseVignettes(package = "somepackage")
Dear Pedro,
I also use ?? alot. Recently I found it
really useful to list the functions of a
recently installed package somepackage,
using these to lines:
library(somepackage)
ls.str('package:somepackage')
I just put them in a script to run it
quickly in the shell like this:
#!/usr/bin/env Rscript
pkg <- commandArgs(trailingOnly=TRUE)[1]
text <-
paste0("library(",
pkg,
"); ls.str('package:",
pkg,
"')")
eval(parse(text=text))
Best,
Rasmus
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