[R] Strange R CMD check \usage parse error

[Frank E Harrell Jr]

In running R CMD check I get an error I can't debug.  Would someone please let me know if they spot a syntax error in the code below or if there is a workaround for the parse error?  Thanks -Frank


Error in parse(file, n, text, prompt) : parse error
Error in codoc(package = "Hmisc") : cannot source usages in documentation object 'plsmo'
Execution halted
* checking for undocumented arguments in \usage ... WARNING
Error in parse(file, n, text, prompt) : parse error
Error in checkDocArgs(package = "Hmisc") :
        cannot source usages in documentation object 'plsmo'
Execution halted

\usage{
plsmo(x, y, method=c("lowess","supsmu","raw"), xlab, ylab, 
      add=F, lty=1:nlev, col=par("col"), lwd=par("lwd"),
      iter=ifelse(length(unique(y))>2, 3, 0), bass=0, trim, 
      fun, group, prefix, xlim, ylim, 
      label.curves=T, datadensity=F, lines=T, ...)


xyplot(y ~ x | conditioningvars, groups,
       panel=panel.plsmo, type='b', 
       label.curves=T,
       lwd = superpose.line$lwd, 
       lty = superpose.line$lty, 
       pch = superpose.symbol$pch, 
       cex = superpose.symbol$cex, 
       font = superpose.symbol$font, 
       col = NULL, ...)
}


-- 
Frank E Harrell Jr              Prof. of Biostatistics & Statistics
Div. of Biostatistics & Epidem. Dept. of Health Evaluation Sciences
U. Virginia School of Medicine  http://hesweb1.med.virginia.edu/biostat
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