Constructs coverage plots for binomial confidence intervals.
1 2 3 4 
n 
The number of independent trials in the binomial experiment. 
conf.level 
The level of confidence to be used in the confidence interval. 
np 
Number of points to use in the plot. 
method 
The method used to estimate the confidence interval. 
actual 
The actual confidence interval used in the confidence interval. See Details. 
type 
See Details. 
tol 
The minimum probability of success to use in the plot. 
... 
Additional arguments to pass to

If type
is "xyplot"
, a line plot is created with
coverage on the yaxis and binomial probability on the xaxis.
A separate panel for every n
is provided. If actual
is
provided then a horizontal reference line is added to the plot. This
is only useful when actual
is different from conf.level
,
as is the case when calling binom.optim
.
If type
is "levelplot"
, a image plot is created with
x
= 0
to n
on the vertical axis and binomial
probability on the horizontal axis. Each row in the plot will be the
confidence level for a given x
. The color of the confidence
interval is determined by the coverage probability. The argument
n
must only be of length one. If not, only the first n
will be used and a warning is issued.
In either plot type, the number of points at which the coverage
probability is determined is specified by np
. Increasing
np
gives a finer granularity but performance will suffer.
An object of class trellis
.
Sundar DoraiRaj (sdorairaj@gmail.com)
binom.confint
, binom.optim
,
xyplot
, levelplot
1 2  binom.plot(5, type = "levelplot")
binom.plot(c(3, 5, 10, 25), type = "xyplot")

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