13c13,14
<      id.n = 3, labels.id = names(residuals(x)), cex.id = 0.75)
---
>      id.n = 3, labels.id = names(residuals(x)), cex.id = 0.75,
>      cook.levels = c((0.5, 1), label.pos = c(4, 2))
19c20
<     the numbers \code{1:4}.}
---
>     the numbers \code{1:5}.}
35a37,40
>   \item{cook.levels}{levels of Cook's distance at which to draw
>     contours.}
>   \item{label.pos}{positioning of labels, for the left half and right
>     half of the graph respectively, for plots 1-3.}
38c43
<   Four plots (selectable by \code{which}) are currently provided: a plot
---
>   Five plots (selectable by \code{which}) are currently available: a plot
41c46,47
<   and a plot of Cook's distances versus row labels.
---
>   a plot of Cook's distances versus row labels, and a plot of residuals
>   against leverages.  By default, the first four of these are provided.
54,56c60,63
<   This \sQuote{S-L} and the Q-Q plot use \emph{standardized} residuals
<   which have identical variance (under the hypothesis).  They are given
<   as \eqn{R_i / (s \times \sqrt{1 - h_{ii}})}{R[i] / (s*sqrt(1 - h.ii))}
---
>   The \sQuote{S-L}, the Q-Q, and the Residual-Leverage plot, use
>   \emph{standardized} residuals which have identical variance (under the
>   hypothesis).  They are given as
>   \eqn{R_i / (s \times \sqrt{1 - h_{ii}})}{R[i] / (s*sqrt(1 - h.ii))}
80c87
<   \code{\link{cooks.distance}}.
---
>   \code{\link{cooks.distance}}, \code{\link{hatvalues}}.
91a99,101
> 
> ## Replace Cook's distance plot by Residual-Leverage plot
> plot(lm.SR, which=c(1:3, 5))