Here's a patch for oc.curves.Rd. It adds oc.curves.R, and explains a bit more about the nsigmas argument. If it looks OK to you, I'll commit it and send you a pull request.
Peter
diff --git a/man/oc.curves.Rd b/man/oc.curves.Rd
index 574cc01..b29908a 100644
--- a/man/oc.curves.Rd
+++ b/man/oc.curves.Rd
@@ -11,6 +11,9 @@ oc.curves(object, \dots)
oc.curves.xbar(object, n, c = seq(0, 5, length=101),
nsigmas = object$nsigmas, identify=FALSE, restore.par=TRUE)
+oc.curves.R(object, n, c = seq(1, 6, length=101),
+ nsigmas = object$nsigmas, identify = FALSE, restore.par=TRUE)
+
oc.curves.p(object, nsigmas = object$nsigmas, identify = FALSE, restore.par=TRUE)
oc.curves.c(object, nsigmas = object$nsigmas, identify = FALSE, restore.par=TRUE)
@@ -21,7 +24,10 @@ oc.curves.c(object, nsigmas = object$nsigmas, identify = FALSE, restore.par=TRUE
\item{identify}{logical specifying whether to interactively identify points on the plot (see help for \code{\link{identify}}).}
\item{n}{a vector of values specifying the sample sizes for which to draw the OC curves.}
\item{c}{a vector of values specifying the multipliers for sigma in case of continuous variable.}
-\item{nsigmas}{a numeric value specifying th number of sigmas to use for computing control limits.}
+\item{nsigmas}{a numeric value specifying the number of sigmas to use for
+computing control limits; if \code{nsigmas} is \code{NULL},
+\code{object$conf} is used to set up probability limits; \code{nsigmas}
+is ignored for types "p" and "c".}
\item{restore.par}{a logical value indicating whether the previous \code{par} settings must be restored. If you need to add points, lines, etc. to a chart set this to \code{FALSE}.}
\item{\dots}{additional arguments to be passed to the generic function.}
}
Luca:
Here's a patch for oc.curves.Rd. It adds oc.curves.R, and explains a bit more about the nsigmas argument. If it looks OK to you, I'll commit it and send you a pull request.
Peter