Description Usage Arguments Value See Also Examples
build()
allows an object of class OptGS_des
, like those
returned by des_gs
, des_nearopt
, and
des_opt
to be built. It is for use when the user has a specific
group-sequential trial design in mind.
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alpha |
A |
beta |
A |
delta |
A |
e |
A |
f |
A |
n0 |
A |
n1 |
A |
sigma0 |
A |
sigma1 |
A |
summary |
A |
A list
with additional class "OptGS_des"
. It
will contain each of the input variables (subject to internal modification),
relating them to the outputs of the various group-sequential design functions
in OptGS
, along with additional elements including:
CovZ
: A numeric
matrix
giving
Cov(Z), the
covariance between the standardised test statistics for the specified design.
I
: A numeric
vector
giving
I, the vector of
information levels for the specified design.
n
: A numeric
vector
giving
n, the vector of
stage-wise sample sizes for the specified design.
name
: A character
string giving a name for the
identified design.
opchar
: A tibble
giving the operating
characteristics of the specified design when
τ = 0,
τ = δ, and
τ =
argmaxθESS(θ).
des_gs
, des_nearopt
,
des_opt
, est
, sim
,
plot.OptGS_des
, print.OptGS_des
,
summary.OptGS_des
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