R devel - Dec 1999 - Manual: writing R Extensions (PR#380)

-- Happy holidays! --


Dear R Development Core Team,

I want to thank you *very much* for the new "Writing R Extensions"
manual
published with RW0.901 and hope this is the right place to report some
possible typos.


page 17, example given in the middle of the page, I think it should read

REAL(version) = 3.0;
          ^^^^^^^


page 23, second example, I think the parameter definition should read

SEXP lapply2(SEXP list, SEXP fn, SEXP rho)
                                              ^^

and the last line of the function I guess should be

VECTOR(ans)[i] = eval(R_fcall, rho);
                                  ^^^^^^^^

If my understanding is wrong or you discover another typo in the lapply2
example, please give me a short note.

Regards


--
Dr. Jens Oehlschlägel-Akiyoshi
MD FACTORY GmbH
Bayerstrasse 21

80335 München

Tel.: 089 545 28-27
Fax.: 089 545 28-10
http://www.mdfactory.de

Standard Disclaimers: Opinions expressed here are personal
and are not otherwise represented.



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On Mon, 20 Dec 1999 jens.oehlschlaegel-akiyoshi@mdfactory.de wrote:
> I want to thank you *very much* for the new "Writing R
Extensions" manual
> published with RW0.901 and hope this is the right place to report some
It's not really new: it is a merge of the old Manual.tex and
R-external.texi that was distributed with 0.90.0. As 1.0 approaches we
are beginning to work hard on documentation.
> possible typos.
> 
> 
> page 17, example given in the middle of the page, I think it should read
> 
> REAL(version) = 3.0;
>      ^^^^^^^
Thanks.
> page 23, second example, I think the parameter definition should read
> 
> SEXP lapply2(SEXP list, SEXP fn, SEXP rho)
>                              ^^
The intention here was that the parameter be`expr' (it is an expression not
a function) and I have changed all uses of fn to expr. Unfortunately,
I tested it using `fn'.


-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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