Thank you very much. I learned a lot.
Regards,
Xin
-Original Message-
From: Simon Urbanek [mailto:simon.urba...@r-project.org]
Sent: Thursday, April 07, 2011 5:42 PM
To: Zheng, Xin (NIH) [C]
Cc: r-devel@r-project.org
Subject: Re: [Rd] anyway to get R unevaluated expr independent on
On Apr 7, 2011, at 5:18 PM, Zheng, Xin (NIH) [C] wrote:
> Hi there,
>
> Suppose the cmd is "a<-3", I can parse the cmd sexp with R_ParseVector and
> eval it. My question is - is it possible to parse a cmd like "a <- ?",
> afterwards evaluation will give corresponding result depend on different
Hi there,
Suppose the cmd is "a<-3", I can parse the cmd sexp with R_ParseVector and eval
it. My question is - is it possible to parse a cmd like "a <- ?", afterwards
evaluation will give corresponding result depend on different argument? In
other words, '?' is just a placeholder.
Thanks.
Xin
