[R] R 3.2, Mac 10.10.3 : help.search showing error

[Ramnik Bansal]

Thanks. But it seems to be an R 3.2.0 specific problem.

On Sun, Jun 14, 2015 at 8:42 AM, David Winsemius <dwinsemius at comcast.net>
wrote:

>
> On Jun 13, 2015, at 7:41 AM, Ramnik Bansal wrote:
>
> > Getting following error in using help.search
> >
> >> utils::help.search("linear models")
> > Error in help(db[i, "topic"], package = db[i, "Package"], lib.loc =
> lib,  :
> >  'topic' should be a name, length-one character vector or reserved word
>
> I first tried this in a Mac running the SL version for R 3.1.2 and did not
> get this error. I updated my Mavericks laptop to R 3.2.0 and can now
> reproduce this error. It does not seem to depend on having a space in the
> argument. It seems to be thrown by this segment of code in the
> `help()`-function:
>
>    ischar <- tryCatch(is.character(topic) && length(topic) ==
>        1L, error = identity)
>    if (inherits(ischar, "error"))
>        ischar <- FALSE
>    if (!ischar) {
>        reserved <- c("TRUE", "FALSE", "NULL", "Inf", "NaN",
>            "NA", "NA_integer_", "NA_real_", "NA_complex_", "NA_character_")
>        stopic <- deparse(substitute(topic))
>        if (!is.name(substitute(topic)) && !stopic %in% reserved)
>            stop("'topic' should be a name, length-one character vector or
> reserved word")
>
> If gone through the `help.search` function code and cannot find where the
> `help` function is actually called. This seems unlikely to be a
> Mac-specific problem.
>
> >
> >
> >> example(help.search)
> >
> > hlp.sr> help.search("linear models")    # In case you forgot how to fit
> > linear
> > Error in help(db[i, "topic"], package = db[i, "Package"], lib.loc =
> lib,  :
> >  'topic' should be a name, length-one character vector or reserved word
> >
> >
> > How to sort this?
> >
> >       [[alternative HTML version deleted]]
>
> David Winsemius
> Alameda, CA, USA
>
>

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