Martin, that was it. Thanks. Dave



From:
Martin Morgan <mtmorgan@fhcrc.org>
To:
David L Lorenz <lorenz@usgs.gov>
Cc:
r-devel@r-project.org
Date:
09/28/2012 02:39 PM
Subject:
Re: [Rd] S4method



On 09/28/2012 11:57 AM, David L Lorenz wrote:
> I get an error when I try to use \S4method in a usage section in an Rd
> file for a function. I tried to duplicate exactly how stats4 documents 
its
> method functions, but I must be missing something. Here is the top part 
of
> the Rd file:
>
> \name{xyPlot-methods}
> \docType{methods}
> \alias{xyPlot-methods}
> \alias{xyPlot,numeric,numeric-method}
> \title{Methods for Function \code{xyPlot}}
> \description{
> Create a line or scatter plot.
> }
> \usage{
> \S4method{xyPlot}{numeric, numeric}(x, y,
> Plot = list(name = "", what = "lines", type = "solid", width = 
"standard",
>
>   symbol = "circle", filled = TRUE, size = 0.09, color = "black"),
> yaxis.log = FALSE, yaxis.rev = FALSE, yaxis.range = c(NA, NA),
> xaxis.log = FALSE, xaxis.range = c(NA, NA), ylabels = 7, xlabels = 7,
> xtitle = deparse(substitute(x)), ytitle = deparse(substitute(y)),
> caption = "", margin = c(NA, NA, NA, NA))
> }
>
>    The error I get is
>
> Bad \usage lines found in documentation object 'xyPlot-methods':
>    <unescaped bksl>S4method{xyPlot}{numeric, numeric}(x, y,

Hi David - R is being picky about spaces; use {numeric,numeric}. Martin

>    Plot = list(name = "", what = "lines", type = "solid", width =
> "standard",
>     symbol = "circle", filled = TRUE, size = 0.09, color = "black"),
>    yaxis.log = FALSE, yaxis.rev = FALSE, yaxis.range = c(NA, NA),
>    xaxis.log = FALSE, xaxis.range = c(NA, NA), ylabels = 7, xlabels = 7,
>    xtitle = deparse(substitute(x)), ytitle = deparse(substitute(y)),
>    caption = "", margin = c(NA, NA, NA, NA))
>
>    Here's my R info:
>
> R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows"
> Copyright (C) 2012 The R Foundation for Statistical Computing
> ISBN 3-900051-07-0
> Platform: x86_64-pc-mingw32/x64 (64-bit)
>
>    The error is treated as a WARNING, so I can build and install the
> package and the documentation file looks fine when I ask for help on
> xyPlot-methods. What am I missing?
>    Thanks.
> Dave
>
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>
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